Share-Based Compensation (Details 5) (USD $)	12 Months Ended
	Dec. 28, 2013
Options Outstanding
Number Outstanding (in shares)	1,292,349
Weighted-Average Remaining Contractual Life	3 years 4 months 17 days
Weighted-Average Exercise Price (in dollars per share)	$ 30.43
Options Exercisable
Number Exercisable (in shares)	890,671
Weighted-Average Exercise Price (in dollars per share)	$ 35.28
Non-vested Options, Number of Shares
Balance at the beginning of the period (in shares)	301,576
Granted (in shares)	262,463
Vested (in shares)	(148,616)
Forfeited (in shares)	(13,745)
Balance at the end of the period (in shares)	401,678
Non-vested Options, Weighted-Average Fair Value
Balance at the beginning of the period (in dollars per share)	$ 8.89
Granted (in dollars per share)	$ 7.77
Vested (in dollars per share)	$ 8.82
Forfeited (in dollars per share)	$ 9.70
Balance at the end of the period (in dollars per share)	$ 8.16
$18.48
Options Outstanding
Number Outstanding (in shares)	262,463
Weighted-Average Remaining Contractual Life	6 years 10 months 24 days
Weighted-Average Exercise Price (in dollars per share)	$ 18.48
Options Exercisable
Number Exercisable (in shares)	0
Weighted-Average Exercise Price (in dollars per share)	$ 0.00
$18.49 - 22.81
Share-based compensation
Exercise price, low end of range (in dollars per share)	$ 18.49
Exercise price, high end of range (in dollars per share)	$ 22.81
Options Outstanding
Number Outstanding (in shares)	350,385
Weighted-Average Remaining Contractual Life	4 years 4 months 20 days
Weighted-Average Exercise Price (in dollars per share)	$ 21.67
Options Exercisable
Number Exercisable (in shares)	217,170
Weighted-Average Exercise Price (in dollars per share)	$ 21.62
$22.82 - 29.07
Share-based compensation
Exercise price, low end of range (in dollars per share)	$ 22.82
Exercise price, high end of range (in dollars per share)	$ 29.07
Options Outstanding
Number Outstanding (in shares)	116,062
Weighted-Average Remaining Contractual Life	2 years 6 months 11 days
Weighted-Average Exercise Price (in dollars per share)	$ 25.05
Options Exercisable
Number Exercisable (in shares)	110,062
Weighted-Average Exercise Price (in dollars per share)	$ 25.05
$29.08 - 32.09
Share-based compensation
Exercise price, low end of range (in dollars per share)	$ 29.08
Exercise price, high end of range (in dollars per share)	$ 32.09
Options Outstanding
Number Outstanding (in shares)	53,502
Weighted-Average Remaining Contractual Life	4 months 6 days
Weighted-Average Exercise Price (in dollars per share)	$ 32.00
Options Exercisable
Number Exercisable (in shares)	53,502
Weighted-Average Exercise Price (in dollars per share)	$ 32.00
$32.10 - 32.26
Share-based compensation
Exercise price, low end of range (in dollars per share)	$ 32.10
Exercise price, high end of range (in dollars per share)	$ 32.26
Options Outstanding
Number Outstanding (in shares)	148,623
Weighted-Average Remaining Contractual Life	4 months 13 days
Weighted-Average Exercise Price (in dollars per share)	$ 32.26
Options Exercisable
Number Exercisable (in shares)	148,623
Weighted-Average Exercise Price (in dollars per share)	$ 32.26
$32.27 - 48.85
Share-based compensation
Exercise price, low end of range (in dollars per share)	$ 32.27
Exercise price, high end of range (in dollars per share)	$ 48.85
Options Outstanding
Number Outstanding (in shares)	70,250
Weighted-Average Remaining Contractual Life	1 year 4 months 28 days
Weighted-Average Exercise Price (in dollars per share)	$ 39.65
Options Exercisable
Number Exercisable (in shares)	70,250
Weighted-Average Exercise Price (in dollars per share)	$ 39.65
$48.86 - 50.00
Share-based compensation
Exercise price, low end of range (in dollars per share)	$ 48.86
Exercise price, high end of range (in dollars per share)	$ 50.00
Options Outstanding
Number Outstanding (in shares)	150,000
Weighted-Average Remaining Contractual Life	2 years 6 months 7 days
Weighted-Average Exercise Price (in dollars per share)	$ 50.00
Options Exercisable
Number Exercisable (in shares)	150,000
Weighted-Average Exercise Price (in dollars per share)	$ 50.00
$50.01 - 53.72
Share-based compensation
Exercise price, low end of range (in dollars per share)	$ 50.01
Exercise price, high end of range (in dollars per share)	$ 53.72
Options Outstanding
Number Outstanding (in shares)	141,064
Weighted-Average Remaining Contractual Life	1 year 2 months 12 days
Weighted-Average Exercise Price (in dollars per share)	$ 50.87
Options Exercisable
Number Exercisable (in shares)	141,064
Weighted-Average Exercise Price (in dollars per share)	$ 50.87