Earnings Per Share (Schedule of Earnings Per Share) (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Earnings Per Share [Abstract]
Net income attributable to the Company	$ 187,182	$ 151,480	$ 483,412	$ 382,847
Basic weighted-average shares	113,163	112,722	112,983	112,541
Effect of dilutive employee stock options and restricted stock units (“RSUs”)	578	643	526	672
Diluted weighted-average shares	113,741	113,365	113,509	113,213
Basic	$ 1.65	$ 1.34	$ 4.28	$ 3.40
Diluted	$ 1.65	$ 1.34	$ 4.26	$ 3.38