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Weighted-Average Assumptions Used to Value Option Awards (Detail) (Fiscal 2014 Board of Directors Grant [Member])
3 Months Ended
Jun. 30, 2014
Fiscal 2014 Board of Directors Grant [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Dividend Yield 2.00%
Expected Volatility 44.80%
Risk Free Interest Rate 1.80%
Expected Life 6 years