Fair Value Measurements (Details) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended					3 Months Ended	6 Months Ended																				3 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended
	Jun. 30, 2012 USD ($)	Jun. 30, 2011 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2011 USD ($)	Dec. 31, 2011 Fair Value, Inputs, Level 2 [Member] USD ($)	Jun. 30, 2012 Fair Value, Inputs, Level 3 [Member] USD ($)	Dec. 31, 2011 Fair Value, Inputs, Level 3 [Member] USD ($)	Jun. 30, 2012 Fair Value, Inputs, Level 3 [Member] Selling, general and administrative expense [Member] USD ($)	Jun. 30, 2012 Fair Value, Inputs, Level 3 [Member] Selling, general and administrative expense [Member] USD ($)	Jun. 30, 2012 Euros against the U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] EUR (€)	Dec. 31, 2011 Euros against the U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] EUR (€)	Jun. 30, 2012 Euros against the Czech koruna [Member] Fair Value, Inputs, Level 2 [Member] EUR (€)	Dec. 31, 2011 Euros against the Czech koruna [Member] Fair Value, Inputs, Level 2 [Member] EUR (€)	Jun. 30, 2012 Japanese yen against U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] JPY (¥)	Dec. 31, 2011 Japanese yen against U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] JPY (¥)	Jun. 30, 2012 Polish zloty against the euro [Member] Fair Value, Inputs, Level 2 [Member] PLN	Jun. 30, 2012 British pounds against the U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] GBP (£)	Dec. 31, 2011 British pounds against the U.S. dollar [Member] Fair Value, Inputs, Level 2 [Member] GBP (£)	Jun. 30, 2012 Norwegian kroner against euro [Member] Fair Value, Inputs, Level 2 [Member] NOK	Dec. 31, 2011 Norwegian kroner against euro [Member] Fair Value, Inputs, Level 2 [Member] NOK	Jun. 30, 2012 British pounds against the Czech koruna [Member] Fair Value, Inputs, Level 2 [Member] GBP (£)	Jun. 30, 2012 Canadian dollars against U.S dollar [Member] Fair Value, Inputs, Level 2 [Member] CAD	Jun. 30, 2012 British pounds against the euro [Member] Fair Value, Inputs, Level 2 [Member] GBP (£)	Dec. 31, 2011 Czech koruna against U.S. Dollar [Member] Fair Value, Inputs, Level 2 [Member] CZK	Dec. 31, 2011 Czech koruna against Euro [Member] Fair Value, Inputs, Level 2 [Member] CZK	Apr. 25, 2012 Line of Credit [Member] Amended Senior Credit Facility [Member] USD ($)	Jun. 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]	Jun. 30, 2012 BioMedical [Member] USD ($)	Jun. 30, 2012 BioMedical [Member] USD ($)	Jun. 30, 2012 BioMedical [Member] Maximum [Member] USD ($)	Jun. 30, 2012 Distribution & Storage [Member] USD ($)	Jun. 30, 2012 Distribution & Storage [Member] USD ($)	Jun. 30, 2012 Distribution & Storage [Member] Maximum [Member] USD ($)
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	(167)	(104)	(551)	564
Forward currency contract amounts										26,600	11,500	3,040	3,340	60,000	130,000	1,250	900	250	1,500	3,000	760	200	350	4,700	17,500
Fair value of derivative liability	448		448		191
Fair value of derivative assets					489
Percent that the fair value of the liability component of the Convertible Notes exceeded it's carrying value																											123.00%	108.00%
Fair value of the contingent consideration						3,202	7,067
Increase (decrease) in fair value of the contingent consideration recorded in earnings								(4,382)	(3,865)																				(4,550)	(4,309)		168	444
Change in amount of contingent consideration obligation			4,620	0
Potential cash payment of contingent consideration																															$ 3,000			$ 1,300