Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits that would impact effective tax rate	$ 4.2	$ 2.7	$ 2.9
Penalties and interest accrued	0.2	0.2	0.3
Undistributed Earnings of Foreign Subsidiaries	31.4
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount	9.6
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	9.7
Tax credit carryforward, amount	$ 2.6