Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 30, 2012	Sep. 23, 2012	Jun. 24, 2012	Mar. 25, 2012
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivable	$ 12,404	$ 12,684	$ 13,512	$ 12,366	$ 13,242	$ 15,107	$ 15,246	$ 13,983
Preferred stock, no par value	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Preferred stock, shares authorized	500,000	500,000	500,000	500,000	500,000	500,000	500,000	500,000
Preferred stock, shares issued	0	0	0	0	0	0	0	0
Common stock, par value	$ 0.1	$ 0.10	$ 0.10	$ 0.10	$ 0.1	$ 0.10	$ 0.10	$ 0.10
Common stock, shares authorized	100,000,000	100,000,000	100,000,000	100,000,000	100,000,000	100,000,000	100,000,000	100,000,000
Common stock, shares issued	45,484,524	45,389,813	45,202,617	44,944,529	44,763,404	44,600,006	44,504,789	44,434,255
Treasury stock, shares	4,035,912	4,035,912	4,035,912	4,035,912	4,035,912	4,035,912	4,035,912	4,035,912