Credit Facilities and Restricted Cash - Credit Facilities (Details) (USD $)	3 Months Ended
	Mar. 30, 2014
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	$ 100,000,000
Line of credit facility, additional borrowing capacity	50,000,000
Line of credit facility, maximum borrowing capacity	150,000,000
Credit Facility, Subfacility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	50,000,000
Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit facility, expiration date	Apr. 01, 2016
Line of credit facility, amount outstanding	$ 0