Earnings Per Share (Schedule of Earnings Per Share) (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Earnings Per Share [Abstract]
Net income attributable to the Company	$ 58,282	$ 52,501
Basic weighted-average shares	111,179	110,149
Effect of dilutive employee stock options and restricted stock units (“RSUs”)	643	521
Diluted weighted-average shares	111,822	110,670
Basic	$ 0.52	$ 0.48
Diluted	$ 0.52	$ 0.47