Litigation (Details) (USD $)	1 Months Ended
	Oct. 31, 2013 Agne litigation	Dec. 30, 2012 Agne litigation	Sep. 29, 2013 Perrin Litigation Case Employee
Loss Contingency Information About Litigation Matters
Actual settlement cost	$ 2,900,000
Original estimate of settlement cost		3,300,000
Decrease in original estimate of settlement cost	$ 400,000
Number of employees who opted into the class action			3,900
Potential class size			28,800
Additional state classes pending			5
Number of resultant plaintiffs if pending state classes are granted			14,000