Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Unaudited Supplemental Pro Forma Results of Operations (Details)

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Acquisitions - Unaudited Supplemental Pro Forma Results of Operations (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Business Combination and Asset Acquisition [Abstract]        
Revenues $ 3,357,877 $ 3,069,921 $ 9,090,656 $ 8,519,226
Gross profit 535,935 520,866 1,367,256 1,254,826
Selling, general and administrative expenses (275,363) (256,608) (794,249) (740,564)
Amortization of intangible assets (22,836) (22,843) (68,167) (69,742)
Net income 175,865 166,326 387,713 287,171
Net income attributable to common stock $ 174,832 $ 165,539 $ 383,184 $ 282,718
Earnings per share attributable to common stock:        
Basic (in dollars per share) $ 1.25 $ 1.17 $ 2.73 $ 1.98
Diluted (in dollars per share) $ 1.21 $ 1.14 $ 2.65 $ 1.94