Borrowing Facilities (Details) In Millions, unless otherwise specified	12 Months Ended			12 Months Ended
	Dec. 31, 2014 U.S. Credit Agreement [Member] USD ($)	Dec. 31, 2013 U.S. Credit Agreement [Member] USD ($)	Dec. 31, 2014 Thailand Subsidiary [Member] THB	Dec. 31, 2014 Minimum [Member] U.S. Credit Agreement [Member]	Dec. 31, 2014 Maximum [Member] U.S. Credit Agreement [Member]	Dec. 31, 2014 LIBOR Plus [Member] Minimum [Member] U.S. Credit Agreement [Member]	Dec. 31, 2014 LIBOR Plus [Member] Maximum [Member] U.S. Credit Agreement [Member]	Dec. 31, 2014 Prime Rate Plus [Member] Minimum [Member] U.S. Credit Agreement [Member]	Dec. 31, 2014 Prime Rate Plus [Member] Maximum [Member] U.S. Credit Agreement [Member]
Line of Credit Facility [Line Items]
Revolving credit facility	$ 200		350
Revolving credit facility, term period	5 years
U.S. revolving credit facility, maturity date	Jul. 30, 2017
Possible increase to the borrowing capacity of U.S. credit agreement	100
Basis spread on variable rate						1.75%	2.75%	0.75%	1.75%
U.S. Credit facility, commitment fee				0.30%	0.40%
Letters of credit outstanding amount	1.2	0.8
U.S. Credit facility, available for future borrowings	$ 198.8	$ 199.2
U.S. Credit agreement, secured by percentage of stock of the Company's domestic subsidiaries	100.00%
U.S. Credit agreement, secured by percentage of voting capital stock of each direct foreign subsidiary	65.00%