Income Taxes (Income Tax Carry Forward) (Details) $ in Millions	Jan. 01, 2016 USD ($)
Federal [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss	$ 386.2
International [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss	42.2
State [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss	298.7
Foreign Tax Credit Carryforward [Member] | Federal [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit	17.0
Research Tax Credit Carryforward [Member] | US and State [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit	2.6
Investment Tax Credit Carryforward [Member] | State [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit	$ 5.3