Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jan. 01, 2012	Jan. 02, 2011
Consolidated Balance Sheets [Abstract]
Accounts receivable, reserves	$ 5,446	$ 6,436
Notes receivable, reserves	324	479
Notes receivable, less current portion, reserves	1,735	1,088
Deferred financing costs, accumulated amortization	25,590	21,918
Capitalized software, accumulated amortization	51,274	49,829
Other assets, accumulated amortization	$ 4,070	$ 3,772
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	170,000,000	170,000,000
Common stock, shares issued	57,741,208	60,139,061
Common stock, shares outstanding	57,741,208	60,139,061
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0