Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets 2 (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 1,901,978		$ 1,901,978		$ 1,636,309
Accumulated amortization	767,556		767,556		652,801
Amortization expense	40,266	37,772	115,608	92,497
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	91,018		91,018		66,428
Accumulated amortization	25,065		25,065		20,518
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	156,718		156,718		145,864
Accumulated amortization	107,150		107,150		99,990
Customer Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,354,926		1,354,926		1,171,608
Accumulated amortization	465,694		465,694		380,196
Unpatented Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	145,950		145,950		142,405
Accumulated amortization	108,729		108,729		98,193
Drawings and Manuals [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	33,694		33,694		8,165
Accumulated amortization	7,209		7,209		5,153
Distributor Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	73,163		73,163		73,162
Accumulated amortization	31,349		31,349		28,500
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	46,509		46,509		28,677
Accumulated amortization	$ 22,360		$ 22,360		$ 20,251