Goodwill and Intangible Assets - Schedule of Finite-lived Intangible Asset Impairment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2016	Jan. 25, 2015	Jan. 26, 2014
Schedule of Finite-Lived Intangible Asset Impairment Losses [Line Items]
Impairment of finite-lived intangible assets	$ 0	$ 14,755	$ 32,292
Product development and engineering
Schedule of Finite-Lived Intangible Asset Impairment Losses [Line Items]
Impairment of finite-lived intangible assets	0	3,119	2,354
Intangible asset impairments
Schedule of Finite-Lived Intangible Asset Impairment Losses [Line Items]
Impairment of finite-lived intangible assets	$ 0	$ 11,636	$ 29,938