Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Goodwill:
Goodwill, beginning of period	$ 366,104
Foreign currency translation	(4,241)
Goodwill, end of period	361,863
Other Intangible Assets:
Finite Lived Intangible Assets Before Foreign Currency Translation Adjustment	347,320	347,320
Finite Lived Intangible Assets Foreign Currency Translation Adjustment	4,324	4,714
Accumulated Amortization	(86,695)	(79,942)
Gross Amount	351,644	352,034
Intangible Assets, Future Amortization Expense
Amortization of intangible assets expected in 2012	16,000
Amortization of intangible assets expected in 2013	16,000
Amortization of intangible assets expected in 2014	16,000
Amortization of intangible assets expected in 2015	16,000
Amortization of intangible assets expected in 2016	16,000
Aerospace [Member]
Goodwill:
Goodwill, beginning of period	30,786
Foreign currency translation	0
Goodwill, end of period	30,786
Industrial [Member]
Goodwill:
Goodwill, beginning of period	192,544
Foreign currency translation	(4,149)
Goodwill, end of period	188,395
Distribution [Member]
Goodwill:
Goodwill, beginning of period	142,774
Foreign currency translation	(92)
Goodwill, end of period	142,682
Revenue sharing programs [Member]
Other Intangible Assets:
Range of life - maximum (in years)	30
Finite Lived Intangible Assets Before Foreign Currency Translation Adjustment	293,700	293,700
Accumulated Amortization	(50,238)	(46,367)
Customer lists/relationships [Member]
Other Intangible Assets:
Range of life (in years)	10
Finite Lived Intangible Assets Before Foreign Currency Translation Adjustment	23,506	23,506
Accumulated Amortization	(18,565)	(17,292)
Patents, trademarks/tradenames [Member]
Other Intangible Assets:
Range of life - minimum (in years)	5
Range of life - maximum (in years)	30
Finite Lived Intangible Assets Before Foreign Currency Translation Adjustment	18,622	18,622
Accumulated Amortization	(12,850)	(11,829)
Other [Member]
Other Intangible Assets:
Range of life - maximum (in years)	15
Finite Lived Intangible Assets Before Foreign Currency Translation Adjustment	11,492	11,492
Accumulated Amortization	$ (5,042)	$ (4,454)