Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Oct. 03, 2015	Jan. 03, 2015
Statement of Financial Position [Abstract]
Accounts receivable, allowance	$ 1,262	$ 1,778
Common stock, par value	$ 0.8333	$ 0.8333
Common stock, shares authorized	110,000,000	110,000,000
Common stock, shares outstanding	70,794,643	70,406,086
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares outstanding	0	0