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Business Acquisitions and Divestitures Synergy Consideration (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 02, 2021 | Jan. 04, 2021 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  | $ 42,572 |  | $ 550,449 | $ 909,192
Consideration related to equity component of convertible debt |  |  |  |  |  | 175,555 |
Business Combination Provisional Information Initial Accounting Incomplete, Adjustment, Cash |  |  |  | 0 |  |  |
Operating Lease, Right-of-Use Asset |  |  | $ 188,480 | 191,741 |  | 188,480 |
Goodwill |  |  | 4,404,343 | 3,879,219 |  | 4,404,343 | 3,026,049
Business Combination Provisional Information Initial Accounting Incomplete, Adjustment, Accounts Receivable |  |  |  | 0 |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory |  |  |  | 0 |  |  |
Business Combination Provisional Information Initial Accounting Incomplete, Adjustment, Lease right-of-use assets, net |  |  |  | 0 |  |  |
Business Combination Provisional Information Initial Accounting Incomplete, Adjustment, Other Assets |  |  |  | 0 |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles |  |  |  | 0 |  |  |
Goodwill, Purchase Accounting Adjustments |  |  |  | 22,088 |  | (15,819) |
Business Combination Provisional Information Initial Accounting Incomplete, Adjustment, Convertible debt, par value |  |  |  | 0 |  |  |
Business Combination Provisional Information Initial Accounting Incomplete ,Adjustment ,Long-term lease obligations |  |  |  | 0 |  |  |
Business Combination Provisional Information Initial Accounting Incomplete, Adjustment, Long-term indebtedness |  |  |  | 0 |  |  |
Business Combination Provisional Information Initial Accounting Incomplete Adjustment Net Assets Acquired |  |  |  | 0 |  |  |
Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | $ 78,045 |  |  |  | 3,146 | 20,909
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents |  |  | 0 | 0 | [1] | 0 | 9,159
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables |  |  | 0 | 2,405 | [1] | 0 | 9,621
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory |  |  | 0 | 12,342 | [1] | 0 | 22,123
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment |  |  | 0 | 2,131 | [1] | 0 | 26,363
Operating Lease, Right-of-Use Asset |  |  | 0 | 667 | [1] | 0 | 4,420
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other |  |  | 0 | 177 | [1] | 0 | 3,378
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  |  | 1,578 | 27,576 | [1] | 1,578 | 28,188
Goodwill |  |  | 1,602 | 7,024 | [1] | 1,602 | 42,808
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets |  |  | 3,180 | 52,322 | [1] | 3,180 | 146,060
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities |  |  | 34 | 2,007 | [1] | 34 | 28,245
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  | 34 | 2,480 | [1] | 34 | 37,949
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net |  |  | 3,146 | 49,842 | [1] | 3,146 | $ 108,111
Cantel Medical Corp. |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  |  | 716,412 |
Business Combination, Consideration Transferred, Other |  |  |  |  |  | 14 |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  |  |  |  |  | 2,689,317 |
Consideration Transferred, Equity Awards Issued and Issuable |  |  |  |  |  | 18,173 |
Consideration related to equity component of convertible debt |  |  |  |  |  | 175,555 |
Business Combination, Consideration Transferred |  |  |  |  |  | 3,599,471 |
Business Combination, Long-term Obligations Assumed |  |  | $ 721,284 | 721,284 |  | $ 721,284 |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | 42,816 |  | 14,297 |  |  |  |
Business Acquisition, Share Price | $ 16.93 |  | $ 188,070.00 |  |  | $ 188,070.00 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents |  |  | $ 169,073 | 169,073 |  | $ 169,073 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables |  |  | 172,226 | 172,226 |  | 172,226 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory |  |  | 249,221 | 249,221 |  | 249,221 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment |  |  | 267,360 | 266,078 |  | 267,360 |
Operating Lease, Right-of-Use Asset |  |  | 59,720 | 59,720 |  | 59,720 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other |  |  | 72,864 | 72,864 |  | 72,864 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  |  | 2,942,000 | 2,942,000 |  | 2,942,000 |
Goodwill |  |  | 1,522,381 | 1,544,469 |  | 1,522,381 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets |  |  | 5,454,845 | 5,475,651 |  | 5,454,845 |
Business combination, Convertible Debt, Par Value Assumed |  |  | 168,000 | 168,000 |  | 168,000 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities |  |  | 247,549 | 253,144 |  | 247,549 |
Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Lease Obligation |  |  | 47,856 | 47,856 |  | 47,856 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities |  |  | 670,685 | 685,896 |  | 670,685 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  | 1,855,374 | 1,876,180 |  | 1,855,374 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net |  |  | $ 3,599,471 |  |  | $ 3,599,471 |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment |  |  |  | (1,282) |  |  |
Goodwill, Purchase Accounting Adjustments |  |  |  | 22,088 |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets |  |  |  | 20,806 |  |  |
Business Combination Provisional Information Initial Accounting Incomplete, Adjustment, Other Current Liabilities |  |  |  | 5,595 |  |  |
Business Combination Provisional Information Initial Accounting Incomplete, Adjustment, Deferred Income Taxes |  |  |  | 15,211 |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities |  |  |  | $ 20,806 |  |  |
[1] | 1) Purchase price allocation is still preliminary as of March 31, 2023 for certain acquisitions, as valuations have not been finalized, pending further analyses of the significant drivers of fair value.

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