Summary of Significant Accounting Policies Deferred Rent (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Deferred Rent Credit	$ 10.9	$ 11.9
Deferred Rent Credit, Current	$ 1.1	$ 1.3
Maximum [Member]
Deferred Rent Expense, Term	13 years