| PACKAGING CORP OF AMERICA (PKG) | |||||||||||||||||||||||||||||||||||||||||||||||||
| Q1-CY2026 | Q4-CY2025 | Q3-CY2025 | Q2-CY2025 | Q1-CY2025 | Q4-CY2024 | Q3-CY2024 | Q2-CY2024 | Q1-CY2024 | Q4-CY2023 | Q3-CY2023 | Q2-CY2023 | Q1-CY2023 | Q4-CY2022 | Q3-CY2022 | Q2-CY2022 | Q1-CY2022 | Q4-CY2021 | Q3-CY2021 | Q2-CY2021 | Q1-CY2021 | Q4-CY2020 | Q3-CY2020 | Q2-CY2020 | Q1-CY2020 | Q4-CY2019 | Q3-CY2019 | Q2-CY2019 | Q1-CY2019 | Q4-CY2018 | Q3-CY2018 | Q2-CY2018 | Q1-CY2018 | Q4-CY2017 | Q3-CY2017 | Q2-CY2017 | Q1-CY2017 | Q4-CY2016 | Q3-CY2016 | Q2-CY2016 | Q1-CY2016 | Q4-CY2015 | Q3-CY2015 | Q2-CY2015 | Q1-CY2015 | Q4-CY2014 | Q3-CY2014 | Q2-CY2014 | Q1-CY2014 | |
| Balance Sheet Date | 2025-Dec-31 | 2025-Sep-30 | 2025-Jun-30 | 2025-Mar-31 | 2024-Dec-31 | 2024-Sep-30 | 2024-Jun-30 | 2024-Mar-31 | 2023-Dec-31 | 2023-Sep-30 | 2023-Jun-30 | 2023-Mar-31 | 2022-Dec-31 | 2022-Sep-30 | 2022-Jun-30 | 2022-Mar-31 | 2021-Dec-31 | 2021-Sep-30 | 2021-Jun-30 | 2021-Mar-31 | 2020-Dec-31 | 2020-Sep-30 | 2020-Jun-30 | 2020-Mar-31 | 2019-Dec-31 | 2019-Sep-30 | 2019-Jun-30 | 2019-Mar-31 | 2018-Dec-31 | 2018-Sep-30 | 2018-Jun-30 | 2018-Mar-31 | 2017-Dec-31 | 2017-Sep-30 | 2017-Jun-30 | 2017-Mar-31 | 2016-Dec-31 | 2016-Sep-30 | 2016-Jun-30 | 2016-Mar-31 | 2015-Dec-31 | 2015-Sep-30 | 2015-Jun-30 | 2015-Mar-31 | 2014-Dec-31 | 2014-Sep-30 | 2014-Jun-30 | 2014-Mar-31 | |
| Fiscal Period | Q4-FY2025 | Q3-FY2025 | Q2-FY2025 | Q1-FY2025 | Q4-FY2024 | Q3-FY2024 | Q2-FY2024 | Q1-FY2024 | Q4-FY2023 | Q3-FY2023 | Q2-FY2023 | Q1-FY2023 | Q4-FY2022 | Q3-FY2022 | Q2-FY2022 | Q1-FY2022 | Q4-FY2021 | Q3-FY2021 | Q2-FY2021 | Q1-FY2021 | Q4-FY2020 | Q3-FY2020 | Q2-FY2020 | Q1-FY2020 | Q4-FY2019 | Q3-FY2019 | Q2-FY2019 | Q1-FY2019 | Q4-FY2018 | Q3-FY2018 | Q2-FY2018 | Q1-FY2018 | Q4-FY2017 | Q3-FY2017 | Q2-FY2017 | Q1-FY2017 | Q4-FY2016 | Q3-FY2016 | Q2-FY2016 | Q1-FY2016 | Q4-FY2015 | Q3-FY2015 | Q2-FY2015 | Q1-FY2015 | Q4-FY2014 | Q3-FY2014 | Q2-FY2014 | Q1-FY2014 | |
| Operating Cash Flow | 446,600,000$ | 472,200,000$ | 299,600,000$ | 339,100,000$ | 325,400,000$ | 327,100,000$ | 278,300,000$ | 260,400,000$ | 335,300,000$ | 339,500,000$ | 359,900,000$ | 280,400,000$ | 420,100,000$ | 430,600,000$ | 319,000,000$ | 325,300,000$ | 390,700,000$ | 283,600,000$ | 228,200,000$ | 191,600,000$ | 271,100,000$ | 298,200,000$ | 226,800,000$ | 236,700,000$ | 329,200,000$ | 339,800,000$ | 302,400,000$ | 236,000,000$ | 345,600,000$ | 301,000,000$ | 331,000,000$ | 202,500,000$ | 272,800,000$ | 197,700,000$ | 221,500,000$ | 164,100,000$ | 213,400,000$ | 217,300,000$ | 185,200,000$ | 191,000,000$ | 226,600,000$ | 237,500,000$ | 196,200,000$ | 108,300,000$ | 179,400,000$ | 222,600,000$ | 184,800,000$ | 149,300,000$ | |
| Investing Cash Flow | (285,500,000$) | (2,000,400,000$) | (142,800,000$) | (144,200,000$) | (203,300,000$) | 249,300,000$ | (242,800,000$) | (81,000,000$) | (544,000,000$) | (88,900,000$) | (126,800,000$) | (115,400,000$) | (251,800,000$) | (183,800,000$) | (176,900,000$) | (221,200,000$) | (429,400,000$) | (144,800,000$) | (132,700,000$) | (87,500,000$) | (170,200,000$) | (127,100,000$) | (51,800,000$) | (77,000,000$) | (278,300,000$) | (95,500,000$) | (92,700,000$) | (80,100,000$) | (202,900,000$) | (131,800,000$) | (166,300,000$) | (107,200,000$) | (381,500,000$) | (86,700,000$) | (83,100,000$) | (57,800,000$) | (186,900,000$) | (455,000,000$) | (72,200,000$) | (55,500,000$) | (95,300,000$) | (78,900,000$) | (66,300,000$) | (57,600,000$) | (167,500,000$) | (112,300,000$) | (117,700,000$) | (53,600,000$) | |
| Purchases of Property and Equipment | 319,000,000$ | 192,100,000$ | 169,700,000$ | 148,100,000$ | 201,300,000$ | 146,700,000$ | 245,000,000$ | 76,700,000$ | 141,100,000$ | 89,800,000$ | 126,400,000$ | 112,400,000$ | 247,100,000$ | 179,600,000$ | 184,300,000$ | 213,200,000$ | 238,900,000$ | 149,700,000$ | 131,400,000$ | 85,100,000$ | 167,700,000$ | 102,300,000$ | 80,700,000$ | 70,500,000$ | 135,700,000$ | 92,900,000$ | 92,100,000$ | 78,800,000$ | 147,100,000$ | 130,400,000$ | 165,900,000$ | 108,000,000$ | 116,800,000$ | 86,800,000$ | 81,600,000$ | 57,800,000$ | 86,200,000$ | 66,300,000$ | 68,900,000$ | 52,900,000$ | 96,600,000$ | 76,000,000$ | 86,300,000$ | 55,600,000$ | 165,300,000$ | 106,700,000$ | 97,300,000$ | 50,900,000$ | |
| Financing Cash Flow | (266,100,000$) | 1,374,300,000$ | (120,600,000$) | (128,200,000$) | (113,700,000$) | (513,400,000$) | (114,300,000$) | (135,000,000$) | 283,500,000$ | (154,500,000$) | (123,700,000$) | (117,300,000$) | (497,000,000$) | (265,400,000$) | (103,400,000$) | (94,200,000$) | (1,045,500,000$) | 591,900,000$ | (106,700,000$) | (95,300,000$) | (75,400,000$) | (75,300,000$) | (85,700,000$) | (75,200,000$) | (109,700,000$) | (75,400,000$) | (82,700,000$) | (75,000,000$) | (75,000,000$) | (75,000,000$) | (67,500,000$) | (209,800,000$) | (44,900,000$) | (61,500,000$) | (71,400,000$) | (91,600,000$) | (67,000,000$) | 303,900,000$ | (61,700,000$) | (157,400,000$) | (134,000,000$) | (135,400,000$) | (92,600,000$) | (49,200,000$) | (41,300,000$) | (118,000,000$) | (90,800,000$) | (101,000,000$) | |
| End Cash Position | 529,000,000$ | 634,000,000$ | 787,900,000$ | 751,700,000$ | 685,000,000$ | 676,600,000$ | 613,600,000$ | 692,400,000$ | 648,000,000$ | 573,200,000$ | 477,100,000$ | 367,700,000$ | 320,000,000$ | 648,700,000$ | 667,300,000$ | 628,600,000$ | 618,700,000$ | 1,702,900,000$ | 972,200,000$ | 983,400,000$ | 974,600,000$ | 949,100,000$ | 853,300,000$ | 764,000,000$ | 679,500,000$ | 738,300,000$ | 569,400,000$ | 442,400,000$ | 361,500,000$ | 293,800,000$ | 199,600,000$ | 102,400,000$ | 216,900,000$ | 370,500,000$ | 321,000,000$ | 254,000,000$ | 239,300,000$ | 279,800,000$ | 213,600,000$ | 162,300,000$ | 184,200,000$ | 186,900,000$ | 163,700,000$ | 126,400,000$ | 124,900,000$ | 154,300,000$ | 162,000,000$ | 185,700,000$ | |
| Exchange Rate Effect | |||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends Paid | 111,900,000$ | 112,500,000$ | 112,400,000$ | 112,300,000$ | 112,300,000$ | 112,300,000$ | 112,200,000$ | 112,000,000$ | 112,000,000$ | 112,400,000$ | 112,400,000$ | 112,100,000$ | 115,900,000$ | 117,100,000$ | 93,600,000$ | 93,600,000$ | 95,000,000$ | 95,000,000$ | 95,000,000$ | 94,800,000$ | 75,000,000$ | 74,900,000$ | 74,900,000$ | 74,800,000$ | 74,800,000$ | 74,600,000$ | 74,600,000$ | 74,700,000$ | 74,700,000$ | 74,500,000$ | 59,500,000$ | 59,400,000$ | 59,400,000$ | 59,400,000$ | 59,400,000$ | 59,400,000$ | 59,400,000$ | 51,800,000$ | 51,800,000$ | 53,100,000$ | 53,500,000$ | 53,800,000$ | 54,100,000$ | 39,400,000$ | 39,400,000$ | 39,400,000$ | 39,300,000$ | 39,300,000$ | |
| Unlevered Free Cash Flow | 127,600,000$ | 280,100,000$ | 129,900,000$ | 191,000,000$ | 124,100,000$ | 180,400,000$ | 33,300,000$ | 183,700,000$ | 194,200,000$ | 249,700,000$ | 233,500,000$ | 168,000,000$ | 173,000,000$ | 251,000,000$ | 134,700,000$ | 112,100,000$ | 151,800,000$ | 133,900,000$ | 96,800,000$ | 106,500,000$ | 103,400,000$ | 195,900,000$ | 146,100,000$ | 166,200,000$ | 193,500,000$ | 246,900,000$ | 210,300,000$ | 157,200,000$ | 198,500,000$ | 170,600,000$ | 165,100,000$ | 94,500,000$ | 156,000,000$ | 110,900,000$ | 139,900,000$ | 106,300,000$ | 127,200,000$ | 151,000,000$ | 116,300,000$ | 138,100,000$ | 130,000,000$ | 161,500,000$ | 109,900,000$ | 52,700,000$ | 14,100,000$ | 115,900,000$ | 87,500,000$ | 98,400,000$ | |