Accounts Receivable Factoring Agreements Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 28, 2014	Jun. 30, 2015
Concentration of Credit Risks and Accounts Receivable Factoring Agreements (Additional Textual) [Abstract]
Factoring agreement maximum outstanding amount			$ 20.0
Foreign Subsidiary Factoring agreement maximum outstanding amount			$ 79.9
Sale of receivable under factoring agreement	$ 340.6	$ 293.2
Factoring fees	$ 0.3	$ 0.5