Fair Value Measurements (Details) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended																								3 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended
	Sep. 30, 2012 USD ($)	Sep. 30, 2011 USD ($)	Sep. 30, 2012 USD ($)	Sep. 30, 2011 USD ($)	Sep. 30, 2012 Selling, general and administrative expense [Member] USD ($)	Sep. 30, 2012 Fair Value, Inputs, Level 2 [Member] USD ($)	Dec. 31, 2011 Fair Value, Inputs, Level 2 [Member] USD ($)	Sep. 30, 2012 Fair Value, Inputs, Level 3 [Member] USD ($)	Dec. 31, 2011 Fair Value, Inputs, Level 3 [Member] USD ($)	Sep. 30, 2012 Euros against the U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] EUR (€)	Dec. 31, 2011 Euros against the U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] EUR (€)	Sep. 30, 2012 Euros against the Czech koruna [Member] Fair Value, Inputs, Level 2 [Member] EUR (€)	Dec. 31, 2011 Euros against the Czech koruna [Member] Fair Value, Inputs, Level 2 [Member] EUR (€)	Sep. 30, 2012 Japanese yen against U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] JPY (¥)	Dec. 31, 2011 Japanese yen against U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] JPY (¥)	Sep. 30, 2012 Austrailian dollars against the U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] AUD	Sep. 30, 2012 British pounds against the U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] GBP (£)	Dec. 31, 2011 British pounds against the U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] GBP (£)	Dec. 31, 2011 Norwegian kroner against euro [Member] Fair Value, Inputs, Level 2 [Member] NOK	Sep. 30, 2012 British pounds against the Czech koruna [Member] Fair Value, Inputs, Level 2 [Member] GBP (£)	Sep. 30, 2012 U.S. Dollars Against Czeck Koruna [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Sep. 30, 2012 British pounds against the euro [Member] Fair Value, Inputs, Level 2 [Member] GBP (£)	Dec. 31, 2011 Czech koruna against U.S. Dollar [Member] Fair Value, Inputs, Level 2 [Member] CZK	Dec. 31, 2011 Czech koruna against Euro [Member] Fair Value, Inputs, Level 2 [Member] CZK	Sep. 30, 2012 Convertible Notes Payable [Member] Convertible Notes, Due 2018 [Member] Fair Value, Inputs, Level 1 [Member] Maximum [Member]	Dec. 31, 2011 Convertible Notes Payable [Member] Convertible Notes, Due 2018 [Member] Fair Value, Inputs, Level 1 [Member] Maximum [Member]	Sep. 30, 2012 BioMedical [Member] USD ($)	Sep. 30, 2012 BioMedical [Member] USD ($)	Sep. 30, 2012 BioMedical [Member] Maximum [Member] USD ($)	Sep. 30, 2012 Distribution & Storage [Member] USD ($)	Sep. 30, 2012 Distribution & Storage [Member] USD ($)	Apr. 25, 2012 Revolving Line of Credit [Member] Amended Revolver [Member] USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Maximum Amount Of Permitable Subsidiary Borrowings																																$ 50,000
Gain (loss) on foreign currency hedges	(1,068)	1,379	(1,619)	1,943
Forward currency contract amounts										48,700	11,500	2,280	3,340	60,000	130,000	800	700	250	3,000	510	980	200	4,700	17,500
Fair value of derivative liability						1,655	191
Fair value of derivative assets						11	489
Percent that the fair value of the liability component of the Convertible Notes exceeded it's carrying value																									131.00%	108.00%
Fair value of the contingent consideration								1,990	7,067
Increase (decrease) in fair value of the contingent consideration recorded in earnings					(5,077)																						73	(4,236)		15	459
Payment of contingent consideration			(1,300)	(1,300)																							(1,300)
Change in amount of contingent consideration obligation			4,620	0
Potential cash payment of contingent consideration																													$ 3,000