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SEGMENT INFORMATION - Schedule of Reportable Segments (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) segment | Jun. 30, 2024 USD ($)
Segment Reporting [Abstract] |  |  |  |
Number of reportable segments | segment |  |  | 3 |
Financial information regarding the Company's reportable segments |  |  |  |
Net Sales | $ 966,009 | $ 910,063 | $ 1,853,314 | $ 1,825,511
Cost of Sales (exclusive of depreciation and amortization): | 598,994 | 567,440 | 1,149,885 | 1,150,196
Selling, Research & Development and Administrative: | 151,139 | 149,330 | 306,416 | 302,110
Acquisition related costs | (344) | (140) | (344) | (140)
Restructuring Initiatives | (1,579) | (2,315) | (3,621) | (5,795)
Net unrealized investment gain (loss) | 2,102 | (140) | 1,006 | 452
Depreciation and amortization | (69,904) | (64,968) | (135,551) | (129,317)
Interest Expense | (10,850) | (10,061) | (22,201) | (20,236)
Interest Income | 1,880 | 3,102 | 4,694 | 6,000
Income before Income Taxes | 139,714 | 118,246 | 245,729 | 222,564
Optimization initiative |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Restructuring Initiatives | (1,579) | (2,315) | (3,621) | (5,812)
Prior year initiatives |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Restructuring Initiatives | 0 | 0 | 0 | 17
Aptar Pharma |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Net Sales | 442,589 | 414,533 | 852,056 | 821,826
Aptar Beauty |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Net Sales | 334,849 | 321,487 | 640,556 | 648,807
Aptar Closures |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Net Sales | 188,571 | 174,043 | 360,702 | 354,878
Operating segment |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Net Sales | 975,346 | 920,464 | 1,871,265 | 1,845,531
Adjusted EBITDA | 235,787 | 213,244 | 442,635 | 413,717
Depreciation and amortization | (69,091) | (64,389) | (133,876) | (127,950)
Operating segment | Aptar Pharma |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Net Sales | 442,817 | 414,783 | 852,514 | 822,273
Cost of Sales (exclusive of depreciation and amortization): | 224,879 | 213,795 | 430,016 | 427,542
Selling, Research & Development and Administrative: | 60,703 | 59,511 | 123,186 | 121,104
Other Segment Items: | 176 | (261) | (427) | (486)
Adjusted EBITDA | 156,831 | 141,488 | 299,281 | 273,666
Restructuring Initiatives | (68) | (65) | (258) | (89)
Depreciation and amortization | (34,169) | (29,609) | (65,317) | (58,411)
Operating segment | Aptar Beauty |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Net Sales | 342,251 | 328,700 | 654,552 | 663,580
Cost of Sales (exclusive of depreciation and amortization): | 241,378 | 229,553 | 465,426 | 467,525
Selling, Research & Development and Administrative: | 48,738 | 48,278 | 95,150 | 96,906
Other Segment Items: | (2,340) | (982) | (4,231) | (1,396)
Adjusted EBITDA | 47,073 | 44,638 | 84,211 | 85,772
Restructuring Initiatives | (626) | (1,199) | (1,021) | (3,909)
Depreciation and amortization | (21,475) | (20,526) | (41,537) | (41,754)
Operating segment | Aptar Closures |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Net Sales | 190,278 | 176,981 | 364,199 | 359,678
Cost of Sales (exclusive of depreciation and amortization): | 133,362 | 125,087 | 255,753 | 256,423
Selling, Research & Development and Administrative: | 23,858 | 22,397 | 46,870 | 45,062
Other Segment Items: | (532) | (559) | (1,064) | (886)
Adjusted EBITDA | 31,883 | 27,118 | 59,143 | 54,279
Restructuring Initiatives | (890) | (893) | (2,242) | (1,653)
Depreciation and amortization | (13,447) | (14,254) | (27,022) | (27,785)
Intersegment |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Net Sales | (9,337) | (10,401) | (17,951) | (20,020)
Intersegment | Aptar Pharma |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Net Sales | (228) | (250) | (458) | (447)
Intersegment | Aptar Beauty |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Net Sales | (7,402) | (7,213) | (13,996) | (14,773)
Intersegment | Aptar Closures |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Net Sales | (1,707) | (2,938) | (3,497) | (4,800)
Corporate & Other |  |  |  |
Financial information regarding the Company's reportable segments |  |  |  |
Adjusted EBITDA | (17,378) | (20,476) | (40,889) | (42,117)
Restructuring Initiatives | 5 | (158) | (100) | (144)
Depreciation and amortization | $ (813) | $ (579) | $ (1,675) | $ (1,367)

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