Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Schedule of Foreign Currency Transaction Gains and Losses

(in thousands)	2015			2014			2013
(Gains)/losses included in:
Selling, general, and administrative expenses		($5,090	)		(3,931	)		$341
Other expense/(income), net		1,496			(6,379	)		5,227
Total transaction (gains)/losses		($3,594	)		($10,310	)		$5,568

Schedule of foreign currency gains and losses on long-term intercompany loans

(in thousands)	2015			2014		2013
Gain/(loss) on long-term intercompany loans		($5,225	)		$5,317		($18,052	)

Schedule of Accounts Receivable

(in thousands)	2015			2014
Trade and other accounts receivable		$123,179			$136,479
Bank promissory notes		15,845			17,426
Revenue in excess of progress billings		15,889			13,045
Allowance for doubtful accounts		(8,530	)		(8,713	)
Total accounts receivable		$146,383			$158,237

Schedule of Inventories

(in thousands)	2015		2014
Raw materials		$27,636		$27,006
Work in process		41,823		43,512
Finished goods		36,947		36,756
Total inventories		$106,406		$107,274