Condensed Consolidated Income Statements - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue:
Total revenue	$ 411,479	$ 329,682	$ 1,289,946	$ 1,057,598
Operating expenses:
Selling, general and administrative expenses	133,193	106,508	404,077	330,307
Acquisition-related costs	2,031	10,255	15,067	16,226
Depreciation and amortization expenses	24,290	21,907	72,813	64,912
Foreign exchange loss (gain)	(430)	360	(752)	788
Total operating expenses	347,858	277,131	1,071,786	871,271
Gain on disposition of property, plant and equipment	(333)	(1,068)	(170,499)	(1,311)
Operating income	63,954	53,619	388,659	187,638
Interest expense	(9,199)	(8,807)	(48,348)	(26,620)
Change in fair value of derivatives, net			1,263
Other income, net	2,866	602	5,426	2,800
Income before income taxes	57,621	45,414	347,000	163,818
Income tax expense	14,697	13,057	72,564	42,541
Net income	42,924	32,357	274,436	121,277
Net income (loss) attributable to:
Stockholders	42,909	32,336	274,368	121,273
Non-controlling interests	15	21	68	4
Net income	$ 42,924	$ 32,357	$ 274,436	$ 121,277
Earnings per share attributable to stockholders:
Basic	$ 0.39	$ 0.29	$ 2.48	$ 1.10
Diluted	$ 0.38	$ 0.29	$ 2.45	$ 1.09
Weighted average number of shares outstanding:
Basic	110,838,237	110,410,172	110,750,021	110,233,851
Diluted	112,209,535	111,391,396	111,858,095	111,333,247
Service Revenues [Member]
Revenue:
Total revenue	$ 246,696	$ 214,193	$ 778,059	$ 672,971
Operating expenses:
Direct expenses	41,521	35,108	125,575	114,275
Inventory Sales Revenue [Member]
Revenue:
Total revenue	164,783	115,489	511,887	384,627
Operating expenses:
Direct expenses	$ 147,253	$ 102,993	$ 455,006	$ 344,763