CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified		Total	Preferred stock	Common stock	Additional paid-in capital	Accumulated other comprehensive income (loss)	Retained earnings	Treasury shares
Balance at Dec. 31, 2011		$ 2,144,849		$ 53,886	$ 489,200	$ 72,372	$ 1,611,969	$ (82,578)
Balance (in shares) at Dec. 31, 2011				53,885,886
Increase (Decrease) in Stockholders' Equity
Net income	[1]	160,803					160,803
Other comprehensive income (loss), net of tax		21,552				21,552
Issuance of shares under share-based compensation plans		19,527			(27,171)			46,698
Share-based employee compensation expense		12,825			12,825
Tax benefit from share-based compensation plans		953			953
Dividends : Common		(40,355)					(40,355)
Net change in deferred compensation plans		789			787			2
Change in redeemable noncontrolling interest		1,033			1,033
Other	[2]	8,348			8,348
Balance at Sep. 30, 2012		2,330,324		53,886	485,975	93,924	1,732,417	(35,878)
Balance (in shares) at Sep. 30, 2012				53,885,886
Balance at Dec. 31, 2012		2,505,318	169,920	53,886	490,339	86,582	1,738,957	(34,366)
Balance (in shares) at Dec. 31, 2012				53,885,886
Increase (Decrease) in Stockholders' Equity
Net income	[1]	174,897					174,897
Other comprehensive income (loss), net of tax		(96,937)				(96,937)
Issuance of shares under share-based compensation plans		21,546		514	11,742			9,290
Issuance of shares under share-based compensation plans (in shares)				514,161
Share-based employee compensation expense		13,241			13,241
Tax benefit from share-based compensation plans		3,646			3,646
Dividends : Preferred		(7,219)					(7,219)
Dividends : Common		(27,395)					(27,395)
Net change in deferred compensation plans		772			773			(1)
Change in redeemable noncontrolling interest		19			19
Balance at Sep. 30, 2013		$ 2,587,888	$ 169,920	$ 54,400	$ 519,760	$ (10,355)	$ 1,879,240	$ (25,077)
Balance (in shares) at Sep. 30, 2013				54,400,047

[1] Net income excludes net income attributable to redeemable noncontrolling interest of $1,657 and $1,024 for the nine month periods ended September 30, 2013 and 2012, respectively. Redeemable noncontrolling interest is reflected in the mezzanine section of the consolidated balance sheets. See Note 18 of the Notes to the Unaudited Consolidated Financial Statements.

[2] Conversion of pension liability to equity due to SERP amendment. See Note 15 for additional information.