Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity [Table Text Block]

An analysis of shareholders’ equity for the three months ended March 31, 2013 and the year ended December 31, 2012 is shown below (share amounts not in thousands):

	Common Shares					Retained Earnings			Accumulated Other Comprehensive Income/(Loss)			Shareholders’ Equity
	Shares		Amount
Balance, December 31, 2011	122,035,177		$	630,286		$	806,235		$	(113,448	)	$	1,323,073
Net income	—		—			278,685			—			278,685
Dividends ($1.68 per share)	—		—			(208,286		)	—			(208,286		)
Issuance of shares under incentive stock plans	1,467,024		25,495			—			—			25,495
Stock-based compensation	—		15,116			—			—			15,116
Excess tax benefit on stock-based compensation	—		7,635			—			—			7,635
Repurchase of common shares	(169,757	)	(7,783		)	—			—			(7,783		)
Net loss from pension and postretirement plans	—		—			—			(496		)	(496		)
Foreign currency translation adjustment	—		—			—			4,352			4,352
Joint venture cash flow hedges	—		—			—			213			213
Balance, December 31, 2012	123,332,444		$	670,749		$	876,634		$	(109,379	)	$	1,438,004
Net income	—		—			147,735			—			147,735
Dividends ($0.44 per share)	—		—			(55,396		)	—			(55,396		)
Issuance of shares under incentive stock plans	743,381		4,091			—			—			4,091
Stock-based compensation	—		3,308			—			—			3,308
Excess tax benefit on stock-based compensation	—		6,191			—			—			6,191
Repurchase of common shares	(209,743	)	(11,241		)	—			—			(11,241		)
Maturity of warrants (Note 14)	2,036,976		—			—			—			—
Gain from pension and postretirement plans	—		—			—			4,969			4,969
Foreign currency translation adjustment	—		—			—			975			975
Joint venture cash flow hedges	—		—			—			554			554
Balance, March 31, 2013	125,903,058		$	673,098		$	968,973		$	(102,881	)	$	1,539,190