Debt Obligations - Debt & Capital Leases (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2013		Dec. 30, 2012		Dec. 29, 2013 Notes Due 2015 [Member]	Dec. 30, 2012 Notes Due 2015 [Member]	Mar. 31, 2005 Notes Due 2015 [Member]	Dec. 29, 2013 Notes Due 2016 [Member]	Dec. 30, 2012 Notes Due 2016 [Member]	Nov. 30, 2010 Notes Due 2016 [Member]	Dec. 29, 2013 Option To Repurchase Headquarters Building 2019 [Member]	Dec. 30, 2012 Option To Repurchase Headquarters Building 2019 [Member]
Debt Instrument [Line Items]
Interest rate on debt					5.00%		5.00%	6.625%		6.625%
Long-term debt					$ 244,057	$ 244,022		$ 205,111	$ 221,523		$ 228,259	$ 224,510
Short-term capital lease obligations	21	[1]	123	[1]
Long-term capital lease obligations	6,715		6,697
Total long-term and short-term debt	677,427		690,055
Capital lease obligations	6,736		6,820
Total debt and capital lease obligations	684,163		696,875
2014	0
2015	244,100
2016	207,595
2017	0
2018	0
Thereafter	250,000
Total face amount of maturities	701,695
Unamortized debt costs	(24,268)				(43)	(78)		(2,484)	(3,477)		(21,740)	(25,490)
Carrying value of debt	$ 677,427		$ 690,055

[1] Included in “Accrued expenses and other” in our Condensed Consolidated Balance Sheets.