Consolidated Statement of Changes in Stockholders' Equity (USD $) In Thousands	Total	Common Stock (Par Value: $0.01):	Paid-in Capital in Excess of Par:	Retained Earnings:	Treasury Stock:	Accumulated Other Comprehensive Loss, net of tax:
Balance at beginning of year at Dec. 31, 2013	$ 5,735,662	$ 4,409	$ 5,346,017	$ 422,761	$ (1,032)	$ (36,493)
Net income	233,942			233,942
Purchase of common stock (367,271 shares)					(6,165)
Other comprehensive income, net of tax	3,909					3,909
Dividends paid on common stock ($0.50 per share)				(221,048)
Shares issued for exercise of stock options				(16)	76
Effect of adopting Accounting Standards Update 2014-01				(1,303)
Shares issued for restricted stock awards, net of forfeitures		18	(7,073)		7,055
Compensation expense related to restricted stock awards			13,942
Tax effect of stock plans			2,019
Balance at end of period at Jun. 30, 2014	$ 5,761,018	$ 4,427	$ 5,354,905	$ 434,336	$ (66)	$ (32,584)