Shareholders' Equity (Tables)

6 Months Ended

Jun. 30, 2012

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity [Table Text Block]

An analysis of shareholders’ equity for the six months ended June 30, 2012 and the year ended December 31, 2011 is shown below (share amounts not in thousands):

	Common Shares					Retained Earnings			Accumulated Other Comprehensive Loss			Shareholders’ Equity
	Shares		Amount
Balance, December 31, 2010	121,023,140		$	602,882		$	717,058		$	(68,358	)	$	1,251,582
Net income	—		—			276,005			—			276,005
Dividends ($1.52 per share)	—		—			(186,828		)	—			(186,828		)
Issuance of shares under incentive stock plans	1,220,731		13,451			—			—			13,451
Stock-based compensation	—		16,181			—			—			16,181
Excess tax benefit on stock-based compensation	—		5,681			—			—			5,681
Repurchase of common shares	(208,694	)	(7,909		)	—			—			(7,909		)
Net loss from pension and postretirement plans	—		—			—			(46,263		)	(46,263		)
Foreign currency translation adjustment	—		—			—			3,546			3,546
Joint venture cash flow hedges	—		—			—			(2,373		)	(2,373		)
Balance, December 31, 2011	122,035,177		$	630,286		$	806,235		$	(113,448	)	$	1,323,073
Net income	—		—			122,515			—			122,515
Dividends ($0.80 per share)	—		—			(98,862		)	—			(98,862		)
Issuance of shares under incentive stock plans	672,859		3,980			—			—			3,980
Stock-based compensation	—		9,460			—			—			9,460
Excess tax benefit on stock-based compensation	—		4,234			—			—			4,234
Repurchase of common shares	(169,757	)	(7,783		)	—			—			(7,783		)
Amortization of gains/losses from pension and postretirement plans	—		—			—			6,541			6,541
Foreign currency translation adjustment	—		—			—			(2,255		)	(2,255		)
Joint venture cash flow hedges	—		—			—			(793		)	(793		)
Balance, June 30, 2012	122,538,279		$	640,177		$	829,888		$	(109,955	)	$	1,360,110