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Segment Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jun. 30, 2024 USD ($) segment | Jun. 30, 2023 USD ($)
Segment Reporting [Abstract] |  |  |  |  |  |  |  |
Number of operating segments | segment |  |  |  |  |  |  | 3 |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Consolidated Sales | $ 427,833 |  |  | $ 471,908 |  |  | $ 1,349,042 | $ 1,400,728
Reconciliation Of Adjusted EBITDA To Net Income [Abstract] |  |  |  |  |  |  |  |
Total Adjusted EBITDA | 44,746 |  |  | 56,188 |  |  | 147,028 | 163,926
Non-Operating Income and Expenses [Abstract] |  |  |  |  |  |  |  |
Acquisition and divestiture related items | (2,266) |  |  | (308) |  |  | (5,565) | (4,445)
Strategic initiatives and other charges | (6,246) |  |  | (4,694) |  |  | (17,128) | (7,755)
Highly inflationary accounting losses (primarily non-cash) | (185) |  |  | (1,826) |  |  | (895) | (3,074)
Stock-based compensation | (5,331) |  |  | (5,023) |  |  | (14,309) | (13,635)
Non-service pension and postretirement expense | (108) |  |  | (85) |  |  | (327) | (1,556)
Depreciation and amortization | (23,657) |  |  | (23,936) |  |  | (70,441) | (71,813)
Interest expense, including RPA and factoring financing fees | (14,005) |  |  | (12,136) |  |  | (40,539) | (35,944)
Net loss attributable to noncontrolling interests | 0 |  |  | (67) |  |  | 0 | (125)
(Loss) income before income taxes | (7,052) |  |  | 8,113 |  |  | (2,176) | 25,579
Income tax benefit (provision) | 8,829 |  |  | 558 |  |  | 10,677 | (4,136)
Net income | 1,777 | $ 9,027 | $ (2,303) | 8,671 | $ 9,125 | $ 3,647 | 8,501 | 21,443
Gain (loss) on dispute | 3,166 |  |  |  |  |  | 8,138 |
Loss recovery |  |  |  |  |  |  |  | 2,154
RPA and factoring financing fees | 1,225 |  |  | 1,212 |  |  | 3,638 | 2,758
Memorialization |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Consolidated Sales | 202,664 |  |  | 208,728 |  |  | 632,891 | 638,119
Industrial Technologies |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Consolidated Sales | 91,731 |  |  | 130,533 |  |  | 319,241 | 365,190
SGK Brand Solutions |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Consolidated Sales | 133,438 |  |  | 132,647 |  |  | 396,910 | 397,419
Operating Segments | Memorialization |  |  |  |  |  |  |  |
Reconciliation Of Adjusted EBITDA To Net Income [Abstract] |  |  |  |  |  |  |  |
Total Adjusted EBITDA | 38,737 |  |  | 39,929 |  |  | 122,051 | 127,096
Non-Operating Income and Expenses [Abstract] |  |  |  |  |  |  |  |
Depreciation and amortization | (7,073) |  |  | (5,807) |  |  | (20,400) | (17,092)
Acquisition costs, ERP integration costs, and strategic initiatives and other charges | 1,108 |  |  | 270 |  |  | 2,204 | 981
Operating Segments | Industrial Technologies |  |  |  |  |  |  |  |
Reconciliation Of Adjusted EBITDA To Net Income [Abstract] |  |  |  |  |  |  |  |
Total Adjusted EBITDA | 4,196 |  |  | 15,041 |  |  | 23,846 | 42,808
Non-Operating Income and Expenses [Abstract] |  |  |  |  |  |  |  |
Depreciation and amortization | (5,796) |  |  | (5,815) |  |  | (17,744) | (17,584)
Acquisition costs, ERP integration costs, and strategic initiatives and other charges | 4,490 |  |  | 120 |  |  | 14,288 | 3,494
Operating Segments | SGK Brand Solutions |  |  |  |  |  |  |  |
Reconciliation Of Adjusted EBITDA To Net Income [Abstract] |  |  |  |  |  |  |  |
Total Adjusted EBITDA | 16,054 |  |  | 16,364 |  |  | 44,317 | 39,616
Non-Operating Income and Expenses [Abstract] |  |  |  |  |  |  |  |
Depreciation and amortization | (9,702) |  |  | (11,164) |  |  | (28,943) | (33,543)
Acquisition costs, ERP integration costs, and strategic initiatives and other charges | 1,473 |  |  | 3,897 |  |  | 2,694 | 7,028
Corporate and Non-Operating |  |  |  |  |  |  |  |
Reconciliation Of Adjusted EBITDA To Net Income [Abstract] |  |  |  |  |  |  |  |
Total Adjusted EBITDA | (14,241) |  |  | (15,146) |  |  | (43,186) | (45,594)
Non-Operating Income and Expenses [Abstract] |  |  |  |  |  |  |  |
Depreciation and amortization | (1,086) |  |  | (1,150) |  |  | (3,354) | (3,594)
Acquisition costs, ERP integration costs, and strategic initiatives and other charges | $ 1,441 |  |  | $ 715 |  |  | $ 3,507 | $ 697

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