STOCK-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended |
Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 |
STOCK-BASED COMPENSATION | | | |
Proceeds from stock option exercises | | $ 28,810 | $ 18,319 |
Stock options | | | |
STOCK-BASED COMPENSATION | | | |
Award vesting period | | 3 years | |
Expiration period | | 10 years | |
Compensation expense | | $ 12,000 | 12,000 |
Compensation expense, net of tax | | 7,800 | 7,800 |
Income tax benefit related to compensation expense | | 4,200 | 4,200 |
Fair value of shares vested | | 15,800 | 13,900 |
Proceeds from stock option exercises | | 28,800 | |
Actual tax benefit realized for the tax deduction from option exercises | | 7,000 | |
Unrecognized compensation cost expected to be recognized in future periods | | $ 18,700 | |
Weighted-average period over which compensation cost is expected to be recognized | | 1 year 6 months | |
Stock options | Selling, research & development and administrative expenses | | | |
STOCK-BASED COMPENSATION | | | |
Compensation expense | | $ 10,700 | $ 10,800 |
Stock Option Plans | Stock options | | | |
STOCK-BASED COMPENSATION | | | |
Weighted-average fair value of stock options granted (in dollars per share) | | $ 12.83 | $ 14.84 |
Assumptions used to estimate fair value of stock options granted | | | |
Dividend Yield (as a percent) | | 1.70% | 1.70% |
Expected Stock Price Volatility (as a percent) | | 21.90% | 22.20% |
Risk-free Interest Rate (as a percent) | | 1.60% | 2.30% |
Expected Life of Option (years) | | 6 years 10 months 24 days | 6 years 10 months 24 days |
Stock options activity | | | |
Outstanding at the beginning of the period (in shares) | | 8,107,806 | |
Granted (in shares) | | 1,391,355 | |
Exercised (in shares) | | (788,268) | |
Forfeited or expired (in shares) | | (20,653) | |
Outstanding at the end of the period (in shares) | | 8,690,240 | |
Exercisable at the end of the period (in shares) | | 5,925,974 | |
Weighted Average Exercise Price | | | |
Outstanding at the beginning of the period (in dollars per share) | | $ 46.74 | |
Granted (in dollars per share) | | 64.60 | |
Exercised (in dollars per share) | | 34.60 | |
Forfeited or expired (in dollars per share) | | 60.34 | |
Outstanding at the end of the period (in dollars per share) | | 50.67 | |
Exercisable at the end of the period (in dollars per share) | | $ 44.64 | |
Weighted-Average Remaining Contractual Term (Years): | | | |
Outstanding at the end of the period | | 6 years 4 months 24 days | |
Exercisable at the end of the period | | 5 years 2 months 12 days | |
Aggregate Intrinsic Value: | | | |
Outstanding at the end of the period | | $ 120,651 | |
Exercisable at the end of the period | | 115,264 | |
Intrinsic Value of Options Exercised | | $ 23,592 | $ 18,050 |
Stock Option Plans | Restricted stock units | | | |
STOCK-BASED COMPENSATION | | | |
Award vesting period | | 3 years | |
Compensation expense | | $ 2,000 | 1,100 |
Unrecognized compensation cost expected to be recognized in future periods | | $ 1,900 | |
Weighted-average period over which compensation cost is expected to be recognized | | 1 year 4 months 24 days | |
Restricted stock unit activity | | | |
Balance at the beginning of the period (in shares) | | 61,750 | |
Granted (in shares) | | 11,448 | |
Vested (in shares) | | (11,083) | |
Balance at the end of the period (in shares) | | 62,115 | |
Weighted-Average Grant-Date Fair Value | | | |
Nonvested at the beginning of the period (in dollars per share) | | $ 64.09 | |
Granted (in dollars per share) | | 65.87 | |
Vested (in dollars per share) | | 57.13 | |
Nonvested at the end of the period (in dollars per share) | | $ 65.65 | |
Fair value of units vested | | $ 633 | 491 |
Intrinsic value of units vested | | $ 732 | $ 613 |
Stock Option Plans | Director restricted stock unit plan | | | |
Restricted stock unit activity | | | |
Granted (in shares) | | 18,857 | |
Balance at the end of the period (in shares) | | 18,857 | |
Weighted-Average Grant-Date Fair Value | | | |
Granted (in dollars per share) | | $ 63.10 | |
Nonvested at the end of the period (in dollars per share) | | 63.10 | |
Director Stock Option Plans | Stock options | | | |
STOCK-BASED COMPENSATION | | | |
Weighted-average fair value of stock options granted (in dollars per share) | $ 14.07 | $ 0 | |
Assumptions used to estimate fair value of stock options granted | | | |
Dividend Yield (as a percent) | | | 1.80% |
Expected Stock Price Volatility (as a percent) | | | 22.20% |
Risk-free Interest Rate (as a percent) | | | 2.20% |
Expected Life of Option (years) | | | 6 years 10 months 24 days |
Stock options activity | | | |
Outstanding at the beginning of the period (in shares) | | 368,668 | |
Exercised (in shares) | | (62,001) | |
Outstanding at the end of the period (in shares) | | 306,667 | |
Exercisable at the end of the period (in shares) | | 224,325 | |
Weighted Average Exercise Price | | | |
Outstanding at the beginning of the period (in dollars per share) | | $ 53.52 | |
Exercised (in dollars per share) | | 40.67 | |
Outstanding at the end of the period (in dollars per share) | | 56.11 | |
Exercisable at the end of the period (in dollars per share) | | $ 53.41 | |
Weighted-Average Remaining Contractual Term (Years): | | | |
Outstanding at the end of the period | | 7 years 4 months 24 days | |
Exercisable at the end of the period | | 6 years 10 months 24 days | |
Aggregate Intrinsic Value: | | | |
Outstanding at the end of the period | | $ 2,616 | |
Exercisable at the end of the period | | 2,432 | |
Intrinsic Value of Options Exercised | | 1,449 | $ 741 |
New long-term incentive program | | | |
STOCK-BASED COMPENSATION | | | |
Compensation expense | | $ 483 | $ 320 |
Performance period used to measure cumulative total shareholder return of common stock | | 3 years | |
Expected total expense related to program over the performance period | | $ 2,300 | |