Earnings Per Share Level 4 (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net Income (Loss) Attributable to Parent [Abstract]
Net income attributable to common stockholders	$ 132,670	$ 157,705	$ 352,183	$ 386,584
Weighted average shares (denominator):
Weighted average shares — basic	158,705	168,450	160,009	169,180
Weighted average shares — diluted	161,290	170,863	162,568	171,616
Net income attributable to common stockholders, basic	$ 0.84	$ 0.94	$ 2.20	$ 2.29
Net income attributable to common stockholders, diluted	$ 0.82	$ 0.92	$ 2.17	$ 2.25
Revenues	$ 990,855	$ 987,535	$ 2,103,258	$ 2,065,516
Stock Options [Member]
Weighted average shares (denominator):
Share based compensation	2,521	2,363	2,486	2,382
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	561,000	1,612,000	419,000	1,445,000
Restricted Stock Units (RSUs) [Member]
Weighted average shares (denominator):
Share based compensation	64	50	73	54