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	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]	101,023					101,023
Other comprehensive income (loss), net of tax		10,435				10,435
Issuance of shares under share-based compensation plans		7,140			(16,506)			23,646
Share-based employee compensation expense		8,502			8,502
Tax benefit from share-based compensation plans		400			400
Dividends : Common		(26,829)					(26,829)
Net change in deferred compensation plans		705			703			2
Change in redeemable noncontrolling interest		792			792
Other	[2]	8,348			8,348
Balance at Jun. 30, 2012		2,255,365		53,886	491,439	82,807	1,686,163	(58,930)
Balance (in shares) at Jun. 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]	111,264					111,264
Other comprehensive income (loss), net of tax		(79,997)				(79,997)
Issuance of shares under share-based compensation plans		14,749		388	5,291			9,070
Issuance of shares under share-based compensation plans (in shares)				387,708
Share-based employee compensation expense		8,737			8,737
Tax benefit from share-based compensation plans		2,919			2,919
Dividends : Preferred		(4,812)					(4,812)
Dividends : Common		(13,684)					(13,684)
Net change in deferred compensation plans		690			690
Change in redeemable noncontrolling interest		(416)			(416)
Balance at Jun. 30, 2013		$ 2,544,768	$ 169,920	$ 54,274	$ 507,560	$ 6,585	$ 1,831,725	$ (25,296)
Balance (in shares) at Jun. 30, 2013				54,273,594

[1] Net income excludes net income attributable to redeemable noncontrolling interest of $1,048 and $652 for the six month periods ended June 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.