Other Credit Arrangements - Additional Information (Detail)	6 Months Ended
	Jul. 30, 2016 USD ($) Entity
Line Of Credit Facility [Line Items]
Borrowing agreement, number of financial institution | Entity	1
Credit Facilities | Credit Agreement
Line Of Credit Facility [Line Items]
Line of credit facility, expiration period	5 years
Borrowing agreements with financial institutions	$ 400,000,000
Stand-by Letters of Credit | Credit Agreement
Line Of Credit Facility [Line Items]
Letters of credit outstanding amount	8,100,000
Credit Agreement Loans | Credit Agreement
Line Of Credit Facility [Line Items]
Outstanding borrowings	0
Demand letter of credit facilities | Borrowing Agreements
Line Of Credit Facility [Line Items]
Borrowing agreements with financial institutions	5,000,000
Outstanding borrowings	$ 0