Borrowing Arrangements (Details 3)						0 Months Ended						12 Months Ended	0 Months Ended	12 Months Ended	0 Months Ended				0 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended				0 Months Ended	12 Months Ended			12 Months Ended				0 Months Ended	25 Months Ended																	12 Months Ended
	Dec. 31, 2012 Japanese Term Loan due March 2013 CCJ USD ($)	Dec. 31, 2012 Japanese Term Loan due March 2013 CCJ JPY (¥)	Dec. 31, 2013 Japanese Term Loan due May 2017 CCJ USD ($)	Dec. 31, 2013 Japanese Term Loan due May 2017 CCJ JPY (¥)	May 10, 2013 Japanese Term Loan due May 2017 CCJ JPY (¥)	May 10, 2013 Japanese Term Loan due May 2017 Uncollateralized Overnight Call Rate CCJ	Dec. 31, 2013 Japanese Term Loan due May 2017 Uncollateralized Overnight Call Rate CCJ	Dec. 31, 2013 Credit Agreement USD ($)	Dec. 31, 2013 Credit Agreement Minimum	Dec. 31, 2013 Credit Agreement Maximum	Dec. 31, 2013 Credit Agreement Permitted dividends Minimum USD ($)	Dec. 31, 2013 Credit Agreement Permitted dividends Maximum	Nov. 06, 2013 Credit Agreement Revolving credit facility USD ($)	Dec. 31, 2013 Credit Agreement Revolving credit facility USD ($)	Nov. 06, 2013 Credit Agreement Revolving credit facility Maximum item	Nov. 06, 2013 Credit Agreement Standby or letters of credit for trade USD ($)	Nov. 06, 2013 Credit Agreement Swing loans USD ($)	Nov. 06, 2013 Credit Agreement Loans or letters of credit in foreign denominated currencies USD ($)	Nov. 06, 2013 Credit Agreement Delayed Draw Term Loans USD ($)	Dec. 31, 2013 Credit Agreement Delayed Draw Term Loans USD ($)	Nov. 06, 2013 Credit Agreement Delayed Draw Term Loans Maximum item	Dec. 31, 2013 Credit Agreement Base rate borrowings Prime rate	Dec. 31, 2013 Credit Agreement Base rate borrowings Overnight federal funds rate	Dec. 31, 2013 Credit Agreement Base rate borrowings LIBOR rate	Dec. 31, 2013 Credit Agreement LIBOR-based borrowings LIBOR rate	Nov. 06, 2013 Prior Credit Facility USD ($)	Dec. 31, 2012 Prior Credit Facility USD ($)	Dec. 31, 2012 Prior Credit Facility Minimum	Dec. 31, 2012 Prior Credit Facility Maximum	Dec. 31, 2012 Prior Credit Facility Base rate borrowings Prime rate	Dec. 31, 2012 Prior Credit Facility Base rate borrowings Overnight federal funds rate	Dec. 31, 2012 Prior Credit Facility Base rate borrowings LIBOR rate	Dec. 31, 2012 Prior Credit Facility LIBOR-based borrowings LIBOR rate	Apr. 13, 2011 Belgian Loan	Dec. 31, 2011 Belgian Loan	Dec. 31, 2013 Belgian Loan USD ($)	Dec. 31, 2013 Belgian Loan EUR (€)	Dec. 31, 2012 Belgian Loan USD ($)	Dec. 31, 2012 Belgian Loan EUR (€)	Nov. 30, 2009 Belgian Loan EUR (€)	Dec. 31, 2013 Belgian credit facility EUR (€)	Dec. 31, 2012 Belgian credit facility EUR (€)	Dec. 31, 2013 Belgian credit facility Bank guarantees EUR (€)	Dec. 31, 2012 Belgian credit facility Bank guarantees EUR (€)	Dec. 31, 2013 United Kingdom credit facility GBP (£)	Dec. 31, 2013 United Kingdom credit facility Bank guarantees GBP (£)	Dec. 31, 2012 United Kingdom credit facility Bank guarantees GBP (£)	Dec. 31, 2013 Japanese working capital loan CCJ USD ($)	Dec. 31, 2013 Japanese working capital loan CCJ JPY (¥)	Dec. 31, 2012 Japanese working capital loan CCJ USD ($)	Dec. 31, 2012 Japanese working capital loan CCJ JPY (¥)	Dec. 31, 2013 Japanese working capital loan Prime rate CCJ	Dec. 31, 2013 Chinese Credit Facility USD ($)	Dec. 31, 2013 Chinese Credit Facility CNY	Dec. 31, 2012 Chinese Credit Facility USD ($)	Dec. 31, 2012 Chinese Credit Facility CNY
Borrowing arrangements
Maximum borrowing capacity					¥ 1,000,000,000								$ 225,000,000			$ 75,000,000	$ 15,000,000	$ 50,000,000	$ 75,000,000								$ 125,000,000													€ 6,000,000	€ 2,000,000				£ 600,000				¥ 1,500,000,000				$ 1,600,000	10,000,000
Bond installment increments for drawing on the loan																																								120,000
Percentage of plant expansion investment that installment draw downs are based upon																																			25.00%
Number of extensions allowed for additional maturity period															2
Additional maturity period													1 year
Aggregate increase in borrowing capacity that may be requested													75,000,000
Availability under the credit facility											50,000,000			196,600,000						75,000,000							122,800,000									0
Ratio of debt to earnings before interest, taxes, depreciation and amortization												275.00%
Maturity period																																		7 years
Borrowing period																			2 years
Number of term loans																					3
Minimum borrowing																			15,000,000
Basis for variable interest rate						Uncollateralized Overnight Call Rate																Agent prime rate	daily federal funds open rate	daily LIBOR rate	Published Rate divided by 1.00 - LIBOR Reserve Percentage					lender prime rate	weighted average federal funds rate	daily LIBOR	one, two, three or six month LIBOR																			Short-term Prime Rate
Margin added to variable rate (as a percent)						0.60%																	0.50%	1.00%							3.00%	2.75%	1.25%
Rate of interest at balance sheet date (as a percent)							0.70%		1.17%	3.25%																		1.25%	1.50%																							1.475%	5.32%	5.32%
Debt issuance costs								700,000
Amount outstanding	1,000,000	82,000,000	5,700,000	600,000,000										26,300,000						0							44,300,000									200,000	120,000	200,000	120,000		0	0	1,000,000	1,200,000		400,000	400,000	1,900,000	200,000,000	18,600,000	1,600,000,000		300,000	1,700,000	0	0
Deferred issuance costs written-off																										100,000
Interest rate (as a percent)																																				5.35%	5.35%
Quarterly nonrefundable commitment fee payable (as a percent)														0.15%						0.15%							0.25%
Principal amount	$ 7,700,000	¥ 722,000,000