CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock	Restricted Stock	Additional Paid-In Capital	Retained Earnings	Accumulated other Comprehensive Loss
Beginning Balance at Dec. 31, 2013	$ 722,546	$ 1	$ 23,450	$ 67,422	$ 785,976	$ (154,303)
Beginning Balance (in shares) at Dec. 31, 2013		41,757	251
Net income	117,432				117,432
Other comprehensive income, net of tax	20,869					20,869
Excess tax benefits on stock-based compensation plans	493		493
Restricted stock activity (in shares)		50	36
Restricted stock activity	3,013		3,013
Ending Balance at Jun. 30, 2014	$ 864,353	$ 1	$ 26,956	$ 67,422	$ 903,408	$ (133,434)
Ending Balance (in shares) at Jun. 30, 2014		41,807	287