Income Taxes (Schedule of Reconciliation of Statutory Federal Income Tax Rate and Effective Tax Rate for Continuing Operations) (Detail)	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Income Tax Disclosure [Abstract]
Federal statutory tax rate	35.00%	35.00%	35.00%
State and local taxes, net of federal income tax benefit	1.70%	2.40%	2.50%
Decrease (increase) in valuation allowance		0.40%	(0.10%)
Foreign tax rate differential	(0.40%)	(0.90%)	(1.10%)
Other	(0.90%)	0.90%	(1.20%)
Effective tax rate	35.40%	37.80%	35.10%