Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net income	$ 91,783	$ 125,438
Adjustment to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	80,061	70,655
Amortization of contract acquisition costs	1,345	575
Amortization of debt issuance costs	735	719
Imputed interest expense and fair value adjustments to contingent consideration, net	2,070	1,046
Provision for credit losses	1,561	(34)
(Gain) loss on disposal of assets	1,587	524
Impairment losses	13,299	3,949
Deferred income taxes	(8,216)	514
Excess tax benefit from equity-based awards	(1,256)	(5,284)
Equity-based compensation expense	13,240	11,969
(Gain) loss on foreign currency derivatives	$ 269	$ 134
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other nonoperating income expense	Other nonoperating income expense
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	$ (37,987)	$ 48,816
Prepaids and other assets	38,594	(42,455)
Accounts payable and accrued expenses	1,483	19,406
Deferred revenue and other liabilities	(79,755)	(60,910)
Net cash provided by operating activities	118,813	175,062
Cash flows from investing activities
Proceeds from sale of long-live assets	189	42
Purchases of property, plant and equipment	(64,564)	(40,778)
Acquisitions, net of cash acquired of zero and $18,638, respectively	(142,420)	(481,718)
Net cash used in investing activities	(206,795)	(522,454)
Cash flows from financing activities
Net proceeds (borrowings) from line of credit	164,000	420,000
Payments on other debt	(2,568)	(5,288)
Payments of contingent consideration and hold back payments to acquisitions	(9,600)	(11,517)
Dividends paid to shareholders	(23,518)	(20,132)
Payments to noncontrolling interest	(9,562)	(8,059)
Tax payments related to issuance of restricted stock units	(6,980)	(11,369)
Payments of debt issuance costs	0	(1,102)
Net cash (used in) provided by financing activities	111,772	362,533
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(22,226)	(6,272)
Increase (decrease) in cash, cash equivalents and restricted cash	1,564	8,869
Cash, cash equivalents and restricted cash, beginning of period	180,682	159,015
Cash, cash equivalents and restricted cash, end of period	182,246	167,884
Supplemental disclosures
Cash paid for interest	19,699	7,827
Cash paid for income taxes	32,705	64,999
Non-cash investing and financing activities
Acquisition of long lived assets through finance leases	461	857
Acquisition of equipment through increase in accounts payable, net	6,625	130
Dividends declared but not paid	$ 24,554	$ 22,085