Debt and Other Obligations - Additional Information (Detail) - USD ($)							4 Months Ended		12 Months Ended
	Apr. 19, 2016	Apr. 21, 2015	Dec. 17, 2014	Aug. 07, 2014	Feb. 14, 2014	Apr. 03, 2012	Apr. 23, 2016	Apr. 25, 2015	Jan. 03, 2015	Jan. 02, 2016	Jul. 17, 2013	Apr. 05, 2013
Debt Instrument [Line Items]
Bank overdraft balance							$ 12,300,000			$ 18,000,000
Line of credit facility outstanding daily balance during period							68,500,000			160,000,000
Additional financing costs							605,000	$ 483,000
Debt instrument face amount							802,500,000			660,000,000
Debt issuance costs and debt discount on notes							$ 5,827,000			5,521,000
Four Point Three Seven Five Senior Notes
Debt Instrument [Line Items]
Debt instrument term							10 years
Additional financing costs							$ 3,900,000
Debt instrument face amount						$ 400,000,000
Senior notes due year							Apr. 01, 2022
Price to redeem notes as a percentage of principal						100.00%
Variable interest rate						0.35%
Price to redeem notes as a percentage of principal							101.00%
Debt issuance costs and debt discount on notes							$ 2,900,000
Base Rate Loans | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate							0.00%
Base Rate Loans | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate							1.25%
Eurodollar Loans | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate							0.75%
Eurodollar Loans | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate							2.25%
2016 Term Loan
Debt Instrument [Line Items]
Debt instrument term	5 years
Line of credit facility, maximum borrowing capacity	$ 150,000,000
Financing costs	$ 600,000
2016 Term Loan | Base Rate Loans | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.00%
2016 Term Loan | Base Rate Loans | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
2016 Term Loan | Eurodollar Loans | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%
2016 Term Loan | Eurodollar Loans | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Unsecured Two Thousand Thirteen Term Loan
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity												$ 300,000,000
Loan agreement first amendment date							Feb. 14, 2014
Standby Letters Of Credit
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period							$ 15,700,000			16,900,000
Accounts Receivable Securitization Facility
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period							180,000,000			$ 170,000,000
Line of credit facility, maximum borrowing capacity				$ 200,000,000							$ 150,000,000
Financing costs							$ 100,000		$ 200,000
Line of credit extended term				1 year
Line of credit facility, expiration date							Jul. 17, 2016
Unamortized financing costs written-off as a result of the second amendment			$ 100,000
Percentage of unamortized financing costs written-off as a result of the second amendment			37.50%
Debt instrument covenant compliance							As of April 23, 2016 and January 2, 2016, the company was in compliance with all restrictive covenants under the facility.
Line of credit facility, amount available							$ 300,000
Additional financing costs							$ 800,000
Accounts Receivable Securitization Facility | Original Lender
Debt Instrument [Line Items]
Line of credit facility, borrowing percentage			62.50%
Accounts Receivable Securitization Facility | New Lender
Debt Instrument [Line Items]
Line of credit facility, borrowing percentage			37.50%
Accounts Receivable Securitization Facility | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate							0.70%
Unused borrowing fee							0.25%
Accounts Receivable Securitization Facility | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate							1.00%
Unused borrowing fee							0.35%
Unsecured Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 700,000,000
Financing costs		$ 400,000			$ 300,000
Additional financing costs							$ 1,700,000
Commitment Fee Basis Points							0.20%
Line of credit facility, expiration period		5 years
Line of credit facility, amount available		$ 500,000,000
Line of credit facility, additional borrowing capacity		$ 200,000,000
Line of credit facility, borrowings							$ 919,000,000
Line of credit facility, repaid borrowings							1,011,000,000
Unsecured Credit Facility | Letter Of Credit
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period							15,700,000
Line of credit facility, amount available							415,800,000
Unsecured Credit Facility | Minimum
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period							60,000,000
Facility fee range		0.05%
Unsecured Credit Facility | Maximum
Debt Instrument [Line Items]
Line of credit facility outstanding daily balance during period							$ 244,200,000
Facility fee range		0.50%
Unsecured Credit Facility | Base Rate Loans
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%
Unsecured Credit Facility | Base Rate Loans | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		0.00%
Unsecured Credit Facility | Base Rate Loans | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		0.75%
Unsecured Credit Facility | Eurodollar Loans
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%	1.00%
Unsecured Credit Facility | Eurodollar Loans | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		0.70%
Unsecured Credit Facility | Eurodollar Loans | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		1.75%
Unsecured Credit Facility | Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%	0.50%