CONSOLIDATED STATEMENTS OF CHANGS 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, 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]	51,523					51,523
Other comprehensive income (loss) , net of tax		(12,360)				(12,360)
Issuance of shares under share-based compensation plans		8,836		247	(337)			8,926
Issuance of shares under share-based compensation plans (in shares)				247,179
Share-based employee compensation expense		4,297			4,297
Tax benefit from share-based compensation plans		1,651			1,651
Dividends: Preferred		(2,406)					(2,406)
Dividends: Common		(33)					(33)
Net change in deferred compensation plans		122			122
Change in redeemable noncontrolling interest		(59)			(59)
Balance at Mar. 31, 2013		2,556,889	169,920	54,133	496,013	74,222	1,788,041	(25,440)
Balance (in shares) at Mar. 31, 2013				54,133,065
Balance at Dec. 31, 2013		2,740,986	267,616	54,667	541,210	(15,641)	1,918,163	(25,029)
Balance (in shares) at Dec. 31, 2013				54,667,295
Increase (Decrease) in Stockholders' Equity
Net income	[1]	54,511					54,511
Other comprehensive income (loss) , net of tax		11,278				11,278
Issuance of shares under share-based compensation plans		9,426		232	6,702			2,492
Issuance of shares under share-based compensation plans (in shares)				231,763
Share-based employee compensation expense		4,459			4,459
Tax benefit from share-based compensation plans		2,866			2,866
Dividends: Preferred		(4,094)					(4,094)
Dividends: Common		(18,224)					(18,224)
Net change in deferred compensation plans		181			181
Change in redeemable noncontrolling interest		(5,429)			(5,429)
Balance at Mar. 31, 2014		$ 2,795,960	$ 267,616	$ 54,899	$ 549,989	$ (4,363)	$ 1,950,356	$ (22,537)
Balance (in shares) at Mar. 31, 2014				54,899,058

[1] Net income excludes net income attributable to redeemable noncontrolling interest of $699 and $585 for the three month periods ended March 31, 2014 and 2013, respectively. Redeemable noncontrolling interest is reflected in the mezzanine section of the consolidated balance sheets. See Note 17 of the Notes to the Unaudited Consolidated Financial Statements.