Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Income tax expense	$ 37,423	$ 33,549
Effective tax rate	26.80%	27.70%
Unrecognized tax benefits	$ 65,700
Interest related to unrecognized tax benefits	2,900
Tax reserves on uncertain tax positions	400
Increase (decrease) in interest expense on prior year exposures of uncertain tax positions	$ 100