Segment Information (Tables)

12 Months Ended

Dec. 31, 2011

Segment Information [Abstract]

Summary Of Financial Information Of Operations By Reportable Segment

	Revenues						Operating Income (Loss)									Identifiable Assets at December, 31
	2011		2010		2009		2011			2010			2009			2011		2010		2009
Industrial Products Group	$	1,256,010		1,099,812		1,022,860	$	140,457			93,107			(239,408	)	$	1,350,980		1,082,299		1,084,471
Engineered Products Group		1,114,893		795,292		755,285		260,254			159,303			125,738			852,169		761,259		728,800
Total	$	2,370,903		1,895,104		1,778,145		400,711			252,410			(113,670	)		2,203,149		1,843,558		1,813,271
Interest expense								15,397			23,424			28,485
Other income, net								(1,667	)		(2,865	)		(3,761	)
Income (loss) before income taxes							$	386,981			231,851			(138,394	)
General corporate (unallocated)																	162,419		183,540		125,777
Total assets																$	2,365,568		2,027,098		1,939,048

	LIFO Liquidation Income (before tax)						Depreciation and Amortization Expense						Capital Expenditures
	2011		2010		2009		2011		2010		2009		2011		2010		2009
Industrial Products Group	$	—		87		274	$	40,190		40,778		46,227	$	23,334		18,459		30,191
Engineered Products Group		204		667		23		20,094		19,470		22,504		32,354		14,580		12,575
Total	$	204		754		297	$	60,284		60,248		68,731	$	55,688		33,039		42,766

Summary Of Revenues And Property, Plant And Equipment By Geographic Region

	Revenues						Property, Plant and Equipment at December 31,
	2011		2010		2009		2011		2010		2009
United States	$	918,738		654,461		574,249	$	110,780		99,214		99,873
Canada		69,782		71,122		45,056		514		620		747
Other		26,500		22,964		13,734		139		—		—
Total North America		1,015,020		748,547		633,039		111,433		99,834		100,620
Germany		229,815		194,636		197,020		61,527		71,159		83,004
United Kingdom		109,771		106,782		109,523		40,249		45,764		48,871
France		81,262		68,361		75,152		6,519		7,006		7,288
Other		319,450		290,378		305,991		37,261		22,399		25,712
Total Europe		740,298		660,157		687,686		145,556		146,328		164,875
China		194,060		158,150		130,290		20,138		23,407		22,846
Other		211,798		153,031		157,093		477		613		519
Total Asia		405,858		311,181		287,383		20,615		24,020		23,365
Brazil		50,040		33,401		39,405		8,147		9,931		10,335
Other		19,902		17,068		22,396		—		—		—
Total South America		69,942		50,469		61,801		8,147		9,931		10,335
Africa and Australia		139,785		124,750		108,236		5,161		6,450		7,040
Total	$	2,370,903		1,895,104		1,778,145	$	290,912		286,563		306,235