Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended			12 Months Ended
	Jun. 30, 2014	Jan. 31, 2014	Nov. 30, 2013	Jun. 30, 2014	Jun. 30, 2012	Jun. 30, 2013	Jan. 14, 2008
Commitments And Contingencies Disclosure [Abstract]
Adverse effect on earnings per share resulting from changing sales forecasts							$ 1.00
Loss relating to contingency				$ 6.1
Costs relating to delayed delivery of product					4.6
Amount of potential liability including interest	18			18		27
Potential payments remitted during period				12
Estimated of goods imported not qualify for preferential tariff treatment	9			9
Payment remitted that did not qualify for preferential tariff treatment	$ 4	$ 2	$ 6