Accounts Receivable (Details) - USD ($) $ in Millions	3 Months Ended		8 Months Ended
	Sep. 10, 2016	Sep. 12, 2015	Sep. 10, 2016	Sep. 12, 2015	Jan. 02, 2016
Accounts Receivables [Abstract]
Sale of accounts receivable, maximum amount under agreement	$ 200.0		$ 200.0
Sale of accounts receivable percent paid at sale	90.00%		90.00%
Accounts receivable, reduction due to sale	$ 78.5	$ 81.0	$ 78.5	$ 81.0	$ 77.6
Accounts receivable sold	138.2	158.9	437.1	473.0
Fee charged on sale of accounts receivable	$ 0.3	$ 0.3	$ 1.1	$ 1.0