Goodwill and Other Intangible Assets, Net (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 29, 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	0
Goodwill impairment	0
Foreign currency translation	188
Net balance at end of period	153,455
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	0
Goodwill impairment	0
Foreign currency translation	31
Net balance at end of period	59,143
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	157
Net balance at end of period	$ 94,312