Schedule of Estimated Fair Value (Detail) - USD ($) $ in Thousands	Jan. 01, 2017	Jan. 03, 2016
2012 Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	$ 916,650	$ 962,719
Fair Value	932,233	991,601
2015 Class Five-Year Notes [Member]
Debt Instrument [Line Items]
Principal Amount	495,000	500,000
Fair Value	485,595	489,500
2015 Ten-Year Notes [Member]
Debt Instrument [Line Items]
Principal Amount	792,000	800,000
Fair Value	$ 765,864	$ 781,600