Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2011

Goodwill and Other Intangible Assets [Abstract]

Activity for goodwill by segment

	Quarter Ended June 30, 2011
					Other —
	Balance at				Primarily			Balance at
	Beginning of				Currency			End of
	Period		Additions		Translation			Period
(In thousands)
Electrical	$	912,188	$	—	$	(925	)	$	911,263
Steel Structures		64,759		—		—			64,759
HVAC		693		—		9			702
	$	977,640	$	—	$	(916	)	$	976,724

	Six Months Ended June 30, 2011
					Other —
	Balance at				Primarily		Balance at
	Beginning of				Currency		End of
	Period		Additions		Translation		Period
(In thousands)
Electrical	$	902,478	$	—	$	8,785	$	911,263
Steel Structures		64,759		—		—		64,759
HVAC		652		—		50		702
	$	967,889	$	—	$	8,835	$	976,724

Activity for other intangible assets

	Quarter Ended June 30, 2011
									Other —
	Balance at								Primarily			Balance at
	Beginning of					Amortization			Currency			End of
	Period			Additions		Expense			Translation			Period
(In thousands)
Intangible assets subject to amortization	$	333,268		$	—	$	—		$	566		$	333,834
Accumulated amortization		(100,322	)		—		(8,399	)		(6	)		(108,727	)
		232,946			—		(8,399	)		560			225,107
Other intangible assets not subject to amortization		105,182			—		—			218			105,400
Total	$	338,128		$	—	$	(8,399	)	$	778		$	330,507

	Six Months Ended June 30, 2011
									Other —
	Balance at								Primarily			Balance at
	Beginning of					Amortization			Currency			End of
	Period			Additions		Expense			Translation			Period
(In thousands)
Intangible assets subject to amortization	$	328,177		$	—	$	—		$	5,657		$	333,834
Accumulated amortization		(91,370	)		—		(16,852	)		(505	)		(108,727	)
		236,807			—		(16,852	)		5,152			225,107
Other intangible assets not subject to amortization		103,737			—		—			1,663			105,400
Total	$	340,544		$	—	$	(16,852	)	$	6,815		$	330,507