Debt - Carrying Value of Outstanding Debt (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012	Aug. 10, 2012
Senior unsecured notes, 5.25% due 2017 [Member]
Standby Letters of Credit [Line Items]
Debt instrument, interest rate	5.25%	5.25%
Debt Instrument Maturity Period	2017	2017
Senior unsecured notes, 5.00% due 2022, net of unamortized discount of $1,546 and $1,725, respectively [Member]
Standby Letters of Credit [Line Items]
Debt instrument, interest rate	5.00%	5.00%	5.00%
Unamortized Discount	$ 1,546	$ 1,725
Debt Instrument Maturity Period	2022	2022