Fair Value of Financial Assets and Liabilities - Carrying and Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Jan. 27, 2017	Jan. 29, 2016	Apr. 04, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term Debt, including short-term portion	$ 500,838	$ 505,988
Fair Value, Inputs, Level 2 [Member] | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term Debt, including short-term portion	379,385	418,073
Term Loan Facility [Member] | Secured Debt [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Secured Debt		$ 505,988	$ 515,000
Term Loan Facility [Member] | Secured Debt [Member] | Fair Value, Inputs, Level 2 [Member] | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Secured Debt	$ 500,838