Stock-Based Compensation - Narrative (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended							0 Months Ended
	Apr. 27, 2014 Minimum [Member]	Apr. 27, 2014 Stock options [Member] Minimum [Member]	Apr. 27, 2014 Stock options [Member] Maximum [Member]	Apr. 27, 2014 Performance shares [Member]	Apr. 27, 2014 Employee stock unit awards [Member]	Apr. 27, 2014 Non-employee director stock unit awards [Member]	Apr. 27, 2014 Subject To Cash Settlement [Member] Performance shares [Member]	Feb. 26, 2014 CEO [Member] Market Performance Units, Tranche 1 [Member]	Feb. 26, 2014 CEO [Member] Market Performance Units, Tranche 1 [Member] Minimum [Member]	Feb. 26, 2014 CEO [Member] Market Performance Units, Tranche 2 [Member]	Feb. 26, 2014 CEO [Member] Market Performance Units, Tranche 2 [Member] Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance condition, highest potential performance level				200.00%
Vesting period		3 years	4 years		4 years
Vesting period						1 year
Maximum number of shares which would be settled in shares				522,532
Maximum number of shares which would be settled in cash				522,532
Target performance metrics for performance unit awards, fiscal year 2014				100.00%
Target performance metrics for performance unit awards, fiscal year 2013				87.00%
Target performance metrics for performance unit awards, fiscal year 2012				0.00%
Change in liability						$ 285	$ (560)
Award vesting percentage								30.00%
Award performance period								120 days		120 days
Average per share closing price used to determine vesting rights (in dollars per share)									$ 35.00		$ 40.00
Vested but unsettled stock units						161,182
Potential per share consideration due upon change in control	$ 40.00