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ACQUISITIONS - Narrative (Details) € / shares in Units, $ in Thousands, € in Millions, ¥ in Millions |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 18 Months Ended |  |
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Oct. 01, 2021 USD ($) | Oct. 01, 2021 EUR (€) | Sep. 30, 2021 USD ($) | Sep. 30, 2021 EUR (€) | Sep. 02, 2021 USD ($) | Sep. 02, 2021 EUR (€) € / shares | Aug. 17, 2021 USD ($) | Aug. 17, 2021 CNY (¥) | Oct. 16, 2020 USD ($) | Apr. 01, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2021 EUR (€) | Aug. 31, 2021 USD ($) | Aug. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Feb. 17, 2023 USD ($) | Feb. 17, 2023 CNY (¥) | Sep. 30, 2021 EUR (€) € / shares | Aug. 17, 2021 CNY (¥)
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire businesses, net of cash acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 124,998 | $ 164,181 |  |  |  |
Restricted cash included in prepaid and other |  |  | $ 0 |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  | $ 4,833 | 0 | $ 4,833 |  |  |  |
Goodwill |  |  | $ 986,779 |  |  |  |  |  |  |  | $ 986,779 |  |  |  |  |  | $ 898,521 |  | $ 986,779 |  |  |  |  |
Cohero Health, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset acquisition, consideration transferred |  |  |  |  |  |  |  |  | $ 2,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Voluntis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of interest acquired | 21.60% | 21.60% | 74.90% |  |  | 64.30% |  |  |  |  | 74.90% |  |  |  |  |  |  |  | 74.90% |  |  |  | 74.90% |
Business acquisition, share price (in Euros per share) | € / shares |  |  |  |  |  | € 8.70 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 8.70 |
Payments to acquire businesses, gross | $ 19,800 | € 17.1 |  |  | $ 60,400 | € 50.8 |  |  |  |  | $ 9,900 | € 8.4 |  |  |  |  |  |  |  |  |  |  |  |
Valuation of full company equity of acquired company |  |  |  |  | $ 93,900 | € 79.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, value of total investment |  |  | $ 70,300 | € 59.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-controlling interest value |  |  | 23,600 |  |  |  |  |  |  |  | 23,600 |  |  |  |  |  |  |  | $ 23,600 |  |  |  | € 19.9 |
Voluntis | Voluntis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage by Aptar | 96.50% | 96.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Voluntis | Pharma |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | $ 71,900 |  |  |  |  |  |  |  | $ 71,900 |  |  |  |  |  |  |  | $ 71,900 |  |  |  |  |
Weihai Hengyu Medical Products |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of interest acquired |  |  |  |  |  |  | 80.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 80.00%
Payments to acquire businesses, gross |  |  |  |  |  |  |  |  |  |  |  |  | $ 53,600 | ¥ 347.7 |  |  |  |  |  |  |  |  |  |
Valuation of full company equity of acquired company |  |  |  |  |  |  | $ 74,800 | ¥ 484.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percent of total consideration transferred |  |  |  |  |  |  |  |  |  |  |  |  | 0.90 | 0.90 |  |  |  |  |  |  |  |  |  |
Non-controlling interest value |  |  |  |  |  |  | $ 15,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 97.0
Remaining percentage of interest to be acquired |  |  | 0.20 |  |  |  |  |  |  |  | 0.20 |  |  |  |  |  |  |  | 0.20 |  |  |  | 0.20 |
Weihai Hengyu Medical Products | Pharma |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | $ 38,200 |  |  |  |  |  |  |  | $ 38,200 |  |  |  |  |  |  |  | $ 38,200 |  |  |  |  |
Weihai Hengyu Medical Products | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire businesses, gross |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,000 | ¥ 38.7 |  |
Purchase price adjustment to be paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200 | ¥ 1.5 |  |  |  |  |  |  |  |
Remaining percent of consideration to be transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.10 | 0.10 |  |
Simple interest included with consideration |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.04 | 0.04 |  |
Fusion Packaging |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of interest acquired |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire businesses, net of cash acquired |  |  |  |  |  |  |  |  |  | $ 163,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and equivalents |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of contingent consideration arrangement |  |  | 28,300 |  |  |  |  |  |  | 19,100 | 28,300 |  |  |  |  |  |  |  | 28,300 |  |  |  |  |
Fair value true-up for contingent consideration liability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,600 |  |  |  |  |  |  |
Restricted cash included in prepaid and other |  |  |  |  |  |  |  |  |  | $ 5,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Release of working capital escrow |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000 |  |  |  |  |  |
Proceeds from release of working capital escrow refunded to buyer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 294 |  |  |  |  |  |
Fusion Packaging | Beauty + Home |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 103,100 |  |  |  |  |  |  |
2021 Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and equivalents |  |  | 3,852 |  |  |  |  |  |  |  | 3,852 |  |  |  |  |  |  |  | 3,852 |  |  |  |  |
Goodwill |  |  | 110,135 |  |  |  |  |  |  |  | 110,135 |  |  |  |  |  |  |  | 110,135 |  |  |  |  |
Goodwill deductible for tax purposes |  |  | $ 80,600 |  |  |  |  |  |  |  | $ 80,600 |  |  |  |  |  |  |  | $ 80,600 |  |  |  |  |
2020 Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and equivalents |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,010 |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 103,130 |  |  |  |  |  |  |
Goodwill deductible for tax purposes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 80,600 |  |  |  |  |  |  |

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