CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		1 Months Ended	3 Months Ended		12 Months Ended
	Oct. 01, 2020	Jan. 31, 2021	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2020
Cash Flows From Operating Activities
Net loss			$ (55,951)	$ (129,633)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization			131,654	51,441
Bad debt expense			3,122	0
Deferred income tax benefit			163	4,214
Share-based compensation			1,190	16,502
Restructuring and impairment			38,911	0
Loss on disposal of business			586	0
Impairment of Long-Lived Assets to be Disposed of					$ (18,431)
Deferred finance charges			2,332	1,008
Other operating activities			3,494	(7,015)
Changes in operating assets and liabilities:
Accounts receivable			44,221	29,279
Prepaid expenses			(7,170)	(7,349)
Other assets			(927)	54,644
Accounts payable			13,746	758
Accrued expenses and other current liabilities			29,082	(13,222)
Deferred revenues			65,988	40,726
Operating lease right of use assets			7,468	5,919
Operating lease liabilities			(25,666)	(5,876)
Other liabilities			(883)	(52,109)
Net cash provided by operating activities			174,037	46,106
Cash Flows From Investing Activities
Capital expenditures			(32,972)	(19,395)
Acquisitions, net of cash acquired			433	(885,323)
Proceeds from sale of product line, net of restricted cash			0	3,751
Net cash used in investing activities			(32,539)	(900,967)
Cash Flows From Financing Activities
Principal payments on term loan			(7,150)	(3,150)
Repayments of revolving credit facility			0	(65,000)
Payment of debt issuance costs			0	(5,014)
Contingent purchase price payment			0	(4,115)
Proceeds from issuance of debt			0	360,000
Proceeds from issuance of ordinary shares			0	540,597
Proceeds from warrant exercises			0	277,526
Proceeds from stock options exercised			5,074	1,182
Payments related to tax withholding for stock-based compensation			(4,489)	(10,420)
Net cash (used in) provided by financing activities			(6,565)	1,091,606
Effects of exchange rates			8,578	(2,013)
Net increase in cash and cash equivalents, and restricted cash			143,511	234,732
Cash:
Cash and cash equivalents			399,006	308,021	76,130	$ 257,730
Restricted cash			16,913	2,850	9	14,678
Total cash and cash equivalents, and restricted cash			415,919	310,871	$ 76,139	$ 272,408
Supplemental Cash Flow Information
Cash paid for interest			27,334	11,405
Cash paid for income tax			2,583	4,797
Capital expenditures included in accounts payable			6,138	9,528
Noncash Financing Items [Abstract]
Total consideration			0	0
Issuance of ordinary shares, net			105,509	539,714
Gain (Loss) on Foreign Currency Forward Contracts			(1,023)
Mark to Market Loss on Contingent Shares			(25,085)	1,187
Share Capital
Noncash Financing Items [Abstract]
Issuance of ordinary shares, net			105,509	$ 539,714
CPA Global
Noncash Financing Items [Abstract]
Total consideration	$ 8,643,561
Value of stock issued		$ 43,890
DRG
Noncash Financing Items [Abstract]
Value of stock issued			$ 61,619