Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.4.0.8
Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
Apr. 20, 2014
Dec. 29, 2013
Recurring | Level 1
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments held in rabbi trust, fair value $ 5.1 $ 3.8
Reported value measurement
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Credit facility 77.5 78.5
Capital lease obligations 9.1 9.3
Estimate of fair value | Level 2
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Credit facility 77.4 78.4
Capital lease obligations $ 10.3 $ 10.9