Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended	1 Months Ended	3 Months Ended		6 Months Ended
	Nov. 30, 2013	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 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			$ 0	$ 0	$ 6.1	$ 0
Amount of potential liability including interest		27	27		27		27
Estimated of goods imported not qualify for preferential tariff treatment		6.1	6.1		6.1
Payment remitted that did not qualify for preferential tariff treatment	5.7
Expected payment that did not qualify for preferential tariff treatment		$ 2.7