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Subsequent Events (Credit Facility) (Details) (USD $)
0 Months Ended
Dec. 28, 2013
Aug. 31, 2012
banks
Dec. 28, 2013
Term Loan
Dec. 28, 2013
Revolving Loan
Jan. 30, 2014
Subsequent Event
banks
Jan. 30, 2014
Subsequent Event
Term Loan
Jan. 30, 2014
Subsequent Event
Revolving Loan
Subsequent Event [Line Items]              
Credit facility syndicate, number of participating banks   10     13    
Credit facility amount     $ 150,000,000 $ 300,000,000   $ 250,000,000 $ 750,000,000
Required principal payments, 2014     15,000,000     9,375,000  
Required principal payments, 2015     15,000,000     21,875,000  
Required principal payments, 2016     22,500,000     25,000,000  
Required principal payments, 2017     90,000,000     34,375,000  
Required principal payments, 2018           37,500,000  
Required principal payments, 2019           121,875,000  
Maximum leverage ratio allowed under debt covenant 2.50       3.0    
Debt issuance costs         $ 4,000,000