CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 28, 2014	Dec. 29, 2013
Statement of Financial Position [Abstract]
Accounts receivable, reserves	$ 3,361	$ 5,107
Notes receivable, reserves	534	357
Notes receivable, less current portion, reserves	397	393
Deferred financing costs, accumulated amortization	17,041	11,295
Capitalized software, accumulated amortization	54,552	50,267
Other assets, accumulated amortization	$ 776	$ 4,737
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	170,000,000	170,000,000
Common stock, shares issued	55,553,149	55,768,672
Common stock, shares outstanding	55,553,149	55,768,672
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0