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Earnings Per Share - Additional Information (Details) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
 15 Months Ended 3 Months Ended
Dec. 31, 2014
Apr. 03, 2015
Oct. 31, 2013
Computation Of Earnings Per Share Line Items      
Repurchase of common stock $ 0.5us-gaap_StockRepurchasedDuringPeriodValue    
Capital Stock      
Computation Of Earnings Per Share Line Items      
Shares repurchased 50us-gaap_StockRepurchasedDuringPeriodShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 0us-gaap_StockRepurchasedDuringPeriodShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		  
Maximum      
Computation Of Earnings Per Share Line Items      
Outstanding common stock repurchase program authorized amount     $ 10.0us-gaap_StockRepurchaseProgramAuthorizedAmount1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember