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Acquisitions, Goodwill and Other Intangible Assets - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Business Combination, Consideration Transferred [Abstract] |  |  |
Cash, net of cash acquired | $ 44,908 | $ 589,055 |
Identifiable assets acquired and liabilities assumed: |  |  |
Goodwill | $ 1,484,600 |  | $ 1,520,575
2021 Acquisitions |  |  |
Business Combination, Consideration Transferred [Abstract] |  |  |
Cash, net of cash acquired |  |  | 1,269,700
Shares transferred |  |  | 181,700
Estimated fair value of contingent consideration |  |  | 103,000
Total consideration |  |  | 1,554,300
Identifiable assets acquired and liabilities assumed: |  |  |
Accounts receivable and contract assets |  |  | 680,700
Current assets |  |  | 41,300
Property and equipment |  |  | 503,000
Long-term assets, primarily operating lease right-of-use assets |  |  | 166,900
Amortizing intangible assets |  |  | 608,800
Accounts payable |  |  | (157,300)
Current liabilities, including current portion of operating lease liabilities |  |  | (287,900)
Long-term debt, including finance lease obligations |  |  | (4,600)
Long-term liabilities, primarily operating lease liabilities and deferred income taxes |  |  | (227,500)
Total identifiable net assets |  |  | 1,323,400
Goodwill |  |  | 234,500
Total net assets acquired, including goodwill |  |  | 1,557,900
Bargain purchase gain |  |  | (3,600)
Total consideration |  |  | 1,554,300
2021 Acquisitions | Contingent Consideration |  |  |
Business Combination, Consideration Transferred [Abstract] |  |  |
Estimated fair value of contingent consideration |  |  | 102,900
HMG |  |  |
Business Combination, Consideration Transferred [Abstract] |  |  |
Cash, net of cash acquired |  |  | 402,400
Shares transferred |  |  | 181,700
Total consideration |  |  | 584,100
Identifiable assets acquired and liabilities assumed: |  |  |
Accounts receivable and contract assets |  |  | 409,500
Current assets |  |  | 14,600
Property and equipment |  |  | 252,400
Long-term assets, primarily operating lease right-of-use assets |  |  | 85,100
Amortizing intangible assets |  |  | 164,600
Accounts payable |  |  | (108,000)
Current liabilities, including current portion of operating lease liabilities |  |  | (151,200)
Long-term debt, including finance lease obligations |  |  | (200)
Long-term liabilities, primarily operating lease liabilities and deferred income taxes |  |  | (151,000)
Total identifiable net assets |  |  | 515,800
Goodwill |  |  | 68,300
Total net assets acquired, including goodwill |  |  | 584,100
Bargain purchase gain |  |  | 0
Total consideration |  |  | 584,100
HMG | Contingent Consideration |  |  |
Business Combination, Consideration Transferred [Abstract] |  |  |
Estimated fair value of contingent consideration |  |  | 0
All other |  |  |
Business Combination, Consideration Transferred [Abstract] |  |  |
Cash, net of cash acquired |  |  | 867,300
Shares transferred |  |  | 0
Total consideration |  |  | 970,200
Identifiable assets acquired and liabilities assumed: |  |  |
Accounts receivable and contract assets |  |  | 271,200
Current assets |  |  | 26,700
Property and equipment |  |  | 250,600
Long-term assets, primarily operating lease right-of-use assets |  |  | 81,800
Amortizing intangible assets |  |  | 444,200
Accounts payable |  |  | (49,300)
Current liabilities, including current portion of operating lease liabilities |  |  | (136,700)
Long-term debt, including finance lease obligations |  |  | (4,400)
Long-term liabilities, primarily operating lease liabilities and deferred income taxes |  |  | (76,500)
Total identifiable net assets |  |  | 807,600
Goodwill |  |  | 166,200
Total net assets acquired, including goodwill |  |  | 973,800
Bargain purchase gain |  |  | (3,600)
Total consideration |  |  | 970,200
All other | Contingent Consideration |  |  |
Business Combination, Consideration Transferred [Abstract] |  |  |
Estimated fair value of contingent consideration |  |  | $ 102,900

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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=128092470&loc=d3e4845-128472 + Details
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