Financing Obligations (Details) (USD $)	3 Months Ended
	Mar. 31, 2013 payments		Dec. 31, 2012
Leases [Abstract]
Remainder of 2013	$ 4,500,000
2014	6,100,000
2015	6,600,000	[1]
2016	6,100,000
2017	5,600,000
Thereafter	104,200,000
Total minimum lease payments	133,100,000
Less: interest	(81,000,000)
Total financing obligations	52,100,000
Less: current portion	(100,000)	[2]
Long-term financing obligations	$ 52,010,000		$ 52,049,000
Number of monthly leaseback obligation payments in fiscal 2015	13

[1] Due to the varying closing dates of the Company’s fiscal years, 13 monthly payments will be made in fiscal 2015.

[2] Included in “current maturities of capital lease and financing obligations” on the consolidated balance sheet.