Reconciliation of Debt Issuance Costs and Debt Discounts to the Net Carrying Value for Each Debt Obligation (Excluding Line of Credit Arrangements) (Detail) - USD ($) $ in Thousands	Jul. 16, 2016	Jan. 02, 2016
Debt Instrument [Line Items]
Face Value	$ 791,250	$ 660,000
Debt issuance and debt discount	5,577	5,521
Net carrying value	785,673	654,479
Other Notes Payable
Debt Instrument [Line Items]
Face Value	20,000	20,000
Debt issuance and debt discount	805	1,011
Net carrying value	19,195	18,989
Unsecured Two Thousand Thirteen Term Loan
Debt Instrument [Line Items]
Face Value	225,000	240,000
Debt issuance and debt discount	1,386	1,485
Net carrying value	223,614	238,515
Unsecured 2016 Term Loan
Debt Instrument [Line Items]
Face Value	146,250
Debt issuance and debt discount	621
Net carrying value	145,629
4.375% Senior Notes Due 2022
Debt Instrument [Line Items]
Face Value	400,000	400,000
Debt issuance and debt discount	2,765	3,025
Net carrying value	$ 397,235	$ 396,975