Earnings Per Share (Schedule of Earnings Per Share) (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Net income attributable to the Company	$ 109,575	$ 76,227
Basic weighted-average shares	112,703	112,232
Effect of dilutive employee stock options and restricted stock units (“RSUs”)	521	803
Diluted weighted-average shares	113,224	113,035
Basic	$ 0.97	$ 0.68
Diluted	$ 0.97	$ 0.67