Equity Incentive Compensation Plans (Stock Options) (Details) $ / shares in Units, $ in Thousands		12 Months Ended
	Dec. 16, 2013 USD ($) $ / shares shares	Dec. 16, 2013 USD ($) $ / shares shares
Number of Shares
Outstanding shares at the beginning of the period | shares		1,387,592
Shares exercised | shares		(57,350)
Outstanding shares at the end of the period | shares	1,330,242.000	1,330,242.000
Vested and expected to vest at December 16, 2013 | shares	1,328,771	1,328,771
Exercisable at December 16, 2013 | shares	1,224,022	1,224,022
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share) | $ / shares		$ 33.71
Exercised (in dollars per share) | $ / shares		12.74
Outstanding at the end of the period (in dollars per share) | $ / shares	$ 34.61	34.61
Vested and expected to vest at December 16, 2013 | $ / shares	34.60	34.60
Exercisable at December 16, 2013 | $ / shares	$ 33.18	$ 33.18
Aggregate Intrinsic Value (in thousands) (1)
Outstanding at the beginning of the period | $		$ 4,681
Exercised | $		2,066
Outstanding at the end of the period | $	$ 19,243	19,243
Vested and expected to vest at December 16, 2014 | $	19	19
Exercisable at December 16, 2013 | $	$ 19,229	$ 19,229
Weighted Average Remaining Contractual Term (Years)
Outstanding at December 16, 2013	3 years 2 months 16 days
Vested and expected to vest at December 16, 2013	3 years 2 months 16 days
Exercisable at December 16, 2013	2 years 9 months 23 days