Intangible Assets (Details Textual) (USD $)	3 Months Ended		6 Months Ended						6 Months Ended				6 Months Ended					6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012 Other Maximum [Member]	Jun. 30, 2012 Other Minimum [Member]	Jun. 30, 2012 Developed technology [Member]	Dec. 31, 2011 Developed technology [Member]	Jun. 30, 2012 Developed technology [Member] Other Maximum [Member]	Jun. 30, 2012 Developed technology [Member] Other Minimum [Member]	Jun. 30, 2012 Customer relationships [Member]	Dec. 31, 2011 Customer relationships [Member]	Jun. 30, 2012 Customer relationships [Member] Other Maximum [Member]	Jun. 30, 2012 In-process research and development [Member]	Dec. 31, 2011 In-process research and development [Member]	Jun. 30, 2012 Other intangible assets [Member]	Dec. 31, 2011 Other intangible assets [Member]	Jun. 30, 2012 Trademarks and trade names associated with products [Member] Other Maximum [Member]	Jun. 30, 2012 Trademarks and trade names associated with products [Member] Other Minimum [Member]
Intangible Assets (Textual) [Abstract]
Accumulated amortization							$ 9,010,000	$ 6,903,000			$ 22,053,000	$ 16,500,000		$ 19,000	$ 0	$ 4,456,000	$ 1,996,000
Intangible asset amortized period					3 months	10 years			20 years	10 years			10 years					20 years	10 years
Intangible Assets (Additional Textual) [Abstract]
Amortization expense related to intangible assets	5,000,000	800,000	10,200,000	1,500,000
Future IPR&D expense excluded from estimated future expense	$ 9,300,000		$ 9,300,000