Consolidated Statement of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Product Information [Line Items]
Revenue	$ 990,855	$ 987,535	$ 2,103,258	$ 2,065,516
Costs of revenue	(724,210)	(714,211)	(1,459,700)	(1,409,749)
Gross profit	266,645	273,324	643,558	655,767
Corporate general and administrative expenses	(45,721)	(33,649)	(87,425)	(75,318)
Gains on divestitures and impairment charges, net	294	6,162	783	7,428
Operating income	221,218	245,837	556,916	587,877
Interest expense	(40,571)	(37,435)	(79,599)	(73,247)
Losses on early extinguishment of debt, net	(1,225)	(5,226)	(1,225)	(5,226)
Other income (expense), net	(1,103)	655	(975)	996
Income before income taxes	178,319	203,831	475,117	510,400
(Provision for) benefit from income taxes	(45,173)	(46,042)	(122,404)	(123,656)
Net income	133,146	157,789	352,713	386,744
Net income attributable to noncontrolling interests	(476)	(84)	(530)	(160)
Net income attributable to common stockholders	$ 132,670	$ 157,705	$ 352,183	$ 386,584
Basic earnings per share:
Net income attributable to common stockholders, basic	$ 0.84	$ 0.94	$ 2.20	$ 2.29
Basic weighted average number of shares	158,705	168,450	160,009	169,180
Diluted earnings per share:
Net income attributable to common stockholders, diluted	$ 0.82	$ 0.92	$ 2.17	$ 2.25
Diluted weighted average number of shares	161,290	170,863	162,568	171,616
Dividends declared per share	$ 250
Product [Member]
Product Information [Line Items]
Revenue	$ 529,816	$ 519,777	$ 1,091,363	$ 1,074,368
Costs of revenue	(262,479)	(248,067)	(522,530)	(499,759)
Service [Member]
Product Information [Line Items]
Revenue	394,507	391,617	875,116	855,476
Costs of revenue	(217,804)	(202,378)	(437,342)	(405,356)
Product and Service, Other [Member]
Product Information [Line Items]
Revenue	66,532	76,141	136,779	135,672
Costs of revenue	$ (243,927)	$ (263,766)	$ (499,828)	$ (504,634)