Consolidated Long-Term Debt (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016
Long Term Debt And Other Financing Arrangement [Line Items]
Amortization of Financing Costs	$ 21.1	$ 14.7
Series 2012-1 5.216% Fixed Rate Senior Secured Notes [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Expected repayment date	2019-01	2019-01
Legal final maturity	2042-01	2042-01
3.484% Class A-2-I Notes; expected repayment date October 2020; legal final maturity October 2045 [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Expected repayment date	2020-10	2020-10
Legal final maturity	2045-10	2045-10
4.474% Class A-2-II Notes; expected repayment date October 2025; legal final maturity October 2045 [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Expected repayment date	2025-10	2025-10
Legal final maturity	2045-10	2045-10