CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock Including Additional Paid in Capital	Retained Earnings	Cumulative Foreign Currency Translation Adjustments	Retirement Benefits	Unrealized Gain Loss On Derivatives	Treasury Stock
Balance at Dec. 31, 2011	$ 1,513,135	$ 490,988	$ 1,142,412	$ 24,194	$ (38,486)	$ (41,177)	$ (64,796)
Net income	156,649		156,649
Other comprehensive income, net of tax:
Cumulative translation adjustment	11,635			11,635
Pension and other postretirement adjustments, net of tax	4,516				4,516
Amortization of forward starting swaps, net of tax	3,644					3,644
Issuance of 1,415,457 shares of common stock from issuance of unvested shares, exercise of stock options and deferred compensation plans, net of tax benefit	37,298	37,298
Repurchase of 1,859,611 shares of common stock	(75,174)						(75,174)
Unvested shares surrendered for tax withholding	(2,326)						(2,326)
Share-based compensation	9,391	9,391
Cash dividends declared - $.60 per common share	(49,931)		(49,931)
Balance at Sep. 30, 2012	$ 1,608,837	$ 537,677	$ 1,249,130	$ 35,829	$ (33,970)	$ (37,533)	$ (142,296)