Share-Based Compensation - Additional Information (Detail) (USD $)	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Percentage of share based compensation expense allocated to cost of sales	20.00%
Percentage of share based compensation expense allocated to selling, general and administrative expense	80.00%
Performance Stock and Performance Stock Unit | Minimum
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Performance share grant, period	24 months
Performance Stock and Performance Stock Unit | Maximum
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Performance share grant, period	48 months
Stock Options and Cash-Based Stock Appreciation Rights
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Weighted-average fair values of stock options granted under the stock option Plan	$ 6.14	$ 9.16
Share based compensation, estimated forfeiture percentage	16.00%
Restricted Share Awards and Cash-Based Restricted Share Unit Awards
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Share based compensation, estimated forfeiture percentage	7.50%
Share based compensation, vesting period years	3 years