Credit Facilities and Restricted Cash - Credit Facilities (Details) - 9 months ended Sep. 27, 2015	EUR (€)	USD ($)
Line of Credit Facility [Line Items]
Guarantees and letters of credit outstanding		$ 53,900,000
Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit facility, expiration date	Apr. 01, 2016
Line of credit facility, amount outstanding		0
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity		100,000,000
Line of credit facility, additional borrowing capacity		50,000,000
Line of credit facility, maximum borrowing capacity		150,000,000
Credit Agreement Subfacility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity		50,000,000
HSBC Credit Facility [Domain]
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity | €	€ 25,000,000
Bank Acceptances Executed and Outstanding		$ 4,500,000