Consolidated Statement of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Product Information [Line Items]
Revenue	$ 1,034,372	$ 918,241	$ 3,099,888	$ 2,541,241
Costs of revenue	(701,353)	(654,585)	(2,120,649)	(1,879,774)
Gross profit	333,019	263,656	979,239	661,467
Corporate general and administrative expenses	(36,477)	(40,986)	(102,248)	(109,968)
Gains on divestitures and impairment charges, net	7,804	543	15,232	5,825
Operating income	304,346	223,213	892,223	557,324
Interest expense	(38,618)	(40,721)	(111,865)	(126,839)
Losses on early extinguishment of debt, net	0	(18,278)	(5,226)	(18,428)
Other income (expense), net	8,218	629	9,214	548
Income before income taxes	273,946	164,843	784,346	412,605
(Provision for) benefit from income taxes	(64,003)	(37,351)	(187,659)	(97,559)
Net income	209,943	127,492	596,687	315,046
Net income attributable to noncontrolling interests	(88)	(77)	(248)	(182)
Net income attributable to common stockholders	$ 209,855	$ 127,415	$ 596,439	$ 314,864
Basic earnings per share:
Net income attributable to common stockholders, basic	$ 1.25	$ 0.72	$ 3.54	$ 1.77
Basic weighted average number of shares	167,417	175,982	168,586	178,238
Diluted earnings per share:
Net income attributable to common stockholders, diluted	$ 1.23	$ 0.72	$ 3.49	$ 1.74
Diluted weighted average number of shares	170,005	178,140	171,057	180,463
Dividends declared per share	$ 230
Product [Member]
Product Information [Line Items]
Revenue	$ 532,722	$ 479,521	$ 1,607,090	$ 1,272,000
Costs of revenue	(248,957)	(230,568)	(748,716)	(634,118)
Service [Member]
Product Information [Line Items]
Revenue	432,458	382,466	1,287,934	1,104,793
Costs of revenue	(210,344)	(190,000)	(615,700)	(561,039)
Product and Service, Other [Member]
Product Information [Line Items]
Revenue	69,192	56,254	204,864	164,448
Costs of revenue	$ (242,052)	$ (234,017)	$ (756,233)	$ (684,617)

This element includes the following: (1) gains (losses) from the sale of property, plant and equipment and other intangible assets; (2) gains (losses) associated with the amount received from the sale of a business segment or subsidiary or sale of an entity that is related to it but not strictly controlled during the period; and, (3) impairment charges of assets.

No definition available.