INCENTIVE PLANS (Tables)

12 Months Ended

Dec. 31, 2014

INCENTIVE PLANS [Abstract]

Summary of Activity For Nonvested Performance Share Units

	Target	Weighted-average
	Number	Grant Date
	of Shares	Fair Value
Performance Shares
Nonvested at January 1, 2014	1,120,196	$             46.03
Granted	288,930	63.42
Vested	(348,021)	39.35
Canceled/forfeited	(41,689)	48.27
Nonvested at December 31, 2014	1,019,416	$             53.16

Aggregate Value of Performance Shares

in thousands	2014	2013	2012
Aggregate value of distributed
performance shares	$              0	$       9,286	$          493

Weighted-Average Fair Value And Weighted-Average Assumptions Used In Estimating Fair Value of Grants

	2014	2013	2012	1
SOSARs
Fair value	$        21.94	$        16.96	N/A
Risk-free interest rate	2.40%	1.40%	N/A
Dividend yield	1.64%	1.72%	N/A
Volatility	33.00%	33.00%	N/A
Expected term	8.00 years	8.00 years	N/A

1 No SOSARs were granted in 2012.

Summary of Our Stock Option/Sosar Activity

			Weighted-average
			Remaining	Aggregate
	Number	Weighted-average	Contractual	Intrinsic Value
	of Shares	Exercise Price	Life (Years)	(in thousands)
Stock Options/SOSARs
Outstanding at January 1, 2014	5,198,746	$             58.59
Granted	230,150	66.00
Exercised	(616,539)	52.72
Forfeited or expired	(26,052)	67.53
Outstanding at December 31, 2014	4,786,305	$             59.65	3.70	$           54,151
Vested and expected to vest	4,772,529	$             59.65	3.68	$           54,083
Exercisable at December 31, 2014	4,311,179	$             59.76	3.19	$           50,422

Aggregate Intrinsic Values of Options Exercised

in thousands	2014	2013	2012
Aggregate intrinsic value of options/
SOSARs exercised	$        7,372	$        4,563	$        5,674

Cash and Stock Consideration Received and Tax Benefit Realized from Stock Option/Sosar Exercises and Compensation Cost Recorded

in thousands	2014	2013	2012
Stock Options/SOSARs
Cash and stock consideration received
from exercises	$       23,199	$       17,156	$       15,787
Tax benefit from exercises	2,844	1,770	2,202
Compensation cost	4,650	3,936	2,966