Income Taxes (Income Tax Carry Forward) (Details) $ in Millions	Dec. 30, 2016 USD ($)
Federal [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss	$ 388.6
Federal [Member] | Foreign Tax Credit Carryforward [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit	17.0
International [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss	43.0
US and State [Member] | Research Tax Credit Carryforward [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit	4.9
State [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss	276.4
State [Member] | Investment Tax Credit Carryforward [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit	$ 6.0