SCHEDULE OF SHARE-BASED COMPENSATION, STOCK OPTIONS AND STOCK APPRECIATION RIGHTS AWARD ACTIVITY (Details) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2012 Y
Share-based Compensation Arrangement By Share-based Payment Award, Options and Stock Appreciation Rights, Outstanding [Roll Forward]
Beginning of Year (in shares)	4,266,533
Grants in Period (in shares)	257,932
Exercises in Period (in shares)	697,037
Forfeitures in Period (in shares)	36,061
End of Period (in shares)	3,791,367
Exercisable (in shares)	3,084,703
Weighted Average Exercise Price, Beginning of Year (in dollars per share)	$ 39.64
Weighted Average Exercise Price, Grants in Period (in dollars per share)	$ 64.12
Weighted Average Exercise Price, Exercises in Period (in dollars per share)	$ 32.46
Weighted Average Exercise Price, Forfeitures in Period (in dollars per share)	$ 49.43
Weighted Average Exercise Price, End of Period (in dollars per share)	$ 42.54
Weighted Average Exercise Price, Exercisable (in dollars per share)	$ 40.06
Weighted Average Remaining Contractual Term, Outstanding (in years)	5.8
Weighted Average Remaining Contractual Term, Exercisable (in years)	5.1
Aggregate Intrinsic Value, Outstanding	$ 72,535
Aggregate Intrinsic Value, Exercisable	$ 66,470