Goodwill and Other Intangible Assets - Intangible Assets and Amortization Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 2,203,449		$ 2,203,449		$ 2,174,477
Accumulated amortization	841,229		841,229		750,915
Amortization expense	46,370	39,043	92,073	73,496
Intangible assets, net	1,564,006		1,564,006		1,625,420
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	124,980		124,980		124,129
Accumulated amortization	30,494		30,494		25,364
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	187,728		187,728		180,427
Accumulated amortization	111,850		111,850		105,369
Customer Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,606,712		1,606,712		1,585,041
Accumulated amortization	538,914		538,914		474,309
Unpatented Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	146,037		146,037		146,025
Accumulated amortization	93,769		93,769		85,373
Drawings and Manuals [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	33,614		33,614		34,120
Accumulated amortization	9,687		9,687		8,035
Distributor Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	72,514		72,514		72,514
Accumulated amortization	33,548		33,548		31,650
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	31,864		31,864		32,221
Accumulated amortization	$ 22,967		$ 22,967		$ 20,815