Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Schedule of Sales to External Customers and Gross Profit by Segment

The following tables summarize various financial amounts for each of our business segments (in thousands):

	Year Ended
	2013		2012		2011
Sales to External Customers:
Industry Group	$	427,731	$	433,424	$	376,533
Science Group	499,723		458,314		449,893
Total	$	927,454	$	891,738	$	826,426
Gross Profit:
Industry Group	$	222,675	$	220,267	$	185,156
Science Group	216,110		195,363		182,210
Total	$	438,785	$	415,630	$	367,366

Schedule of Goodwill and Total Assets by Segment

	December 31, 2013		December 31, 2012
Goodwill:
Industry Group	$	51,532	$	53,572
Science Group	84,620		77,748
Total	$	136,152	$	131,320
Total Assets:
Industry Group	$	297,987	$	293,115
Science Group	365,571		401,795
Corporate and Eliminations	762,526		539,313
Total	$	1,426,084	$	1,234,223

Schedule of Sales by Geographic Region [Table Text Block]

The following table summarizes sales by geographic region (in thousands):

	Year Ended
	2013						2012						2011
	Product Sales		Service Sales		Total		Product Sales		Service Sales		Total		Product Sales		Service Sales		Total
U.S. and Canada	$	167,876	$	92,759	$	260,635	$	200,778	$	90,942	$	291,720	$	179,126	$	78,118	$	257,244
Europe	205,857		64,803		270,660		185,598		59,124		244,722		206,994		54,319		261,313
Asia-Pacific Region and Rest of World	335,705		60,454		396,159		305,120		50,176		355,296		268,479		39,390		307,869
Consolidated net sales	$	709,438	$	218,016	$	927,454	$	691,496	$	200,242	$	891,738	$	654,599	$	171,827	$	826,426

Geographic Schedule of Long-Lived Assets [Table Text Block]

Our long-lived assets were geographically located as follows (in thousands):

	December 31, 2013		December 31, 2012
United States	$	77,639	$	74,319
The Netherlands	65,570		32,679
The Czech Republic	22,950		12,019
Other	42,272		46,258
Total	$	208,431	$	165,275