Goodwill and Other Intangible Assets, Net (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2012	Dec. 31, 2011
Goodwill [Roll Forward]
Gross balance at beginning of period		$ 167,448
Accumulated impairment		(14,181)
Net balance at beginning of period	153,267
Additions	38,619
Goodwill impairment	0
Foreign currency translation	1,267
Net balance at end of period	193,153
Industrial Distribution [Member]
Goodwill [Roll Forward]
Gross balance at beginning of period		59,112
Accumulated impairment		0
Net balance at beginning of period	59,112
Additions	38,619
Goodwill impairment	0
Foreign currency translation	60
Net balance at end of period	97,791
Aerospace [Member]
Goodwill [Roll Forward]
Gross balance at beginning of period		108,336
Accumulated impairment		(14,181)
Net balance at beginning of period	94,155
Additions	0
Goodwill impairment	0
Foreign currency translation	1,207
Net balance at end of period	$ 95,362