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SHARE-BASED COMPENSATION PLANS (Restricted Units) (Detail)
shares in Thousands
12 Months Ended
Dec. 31, 2015
$ / shares
shares
Restricted Stock Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding (in shares) | shares 246
Granted (in shares) | shares 83
Vested (in shares) | shares (84)
Forfeited (in shares) | shares 0
Outstanding (in shares) | shares 245
Expected to vest (in shares) | shares 245
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Outstanding (in dollars per share) | $ / shares $ 43.03
Granted (in dollars per share) | $ / shares 71.02
Vested (in dollars per share) | $ / shares 32.95
Forfeited (in dollars per share) | $ / shares 0.00
Outstanding (in dollars per share) | $ / shares 55.98
Expected to vest (in dollars per share) | $ / shares $ 55.98
Performance Shares [Member]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding (in shares) | shares 312
Granted (in shares) | shares 57
Vested (in shares) | shares (80)
Forfeited (in shares) | shares (2)
Outstanding (in shares) | shares 286
Expected to vest (in shares) | shares 286
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Outstanding (in dollars per share) | $ / shares $ 44.12
Granted (in dollars per share) | $ / shares 86.34
Vested (in dollars per share) | $ / shares 42.82
Forfeited (in dollars per share) | $ / shares 62.91
Outstanding (in dollars per share) | $ / shares 52.70
Expected to vest (in dollars per share) | $ / shares $ 52.70