XML 47 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
3 Months Ended 6 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
Stock Options
       
Significant Accounting Policies [Line Items]        
Anti-dilutive securities excluded from computation of earning per share 86,516 0 75,116 52,878
Foreign Exchange Forward | Not Designated as Hedging Instrument
       
Significant Accounting Policies [Line Items]        
Forward contracts term, maximum     12 months  
Foreign Exchange Forward | Not Designated as Hedging Instrument | Cost of Sales
       
Significant Accounting Policies [Line Items]        
Gain (loss) on forward contracts     $ 100,000  
Foreign Exchange Forward | Designated as Hedging Instrument
       
Significant Accounting Policies [Line Items]        
Net unrealized gain (loss) on derivatives     (3,500,000)  
Notional amount of forward contract $ 123,700,000   $ 123,700,000