SHARE-BASED COMPENSATION: (Details 2) (USD $) | 9 Months Ended |
Dec. 31, 2013 |
Stock options outstanding and exercisable by exercise price range | ' |
Options outstanding (in shares) | 5,074,527 |
Options outstanding - Weighted-average remaining contractual life | '3 years 11 months 26 days |
Options outstanding - Weighted-average exercise price per share (in dollars per share) | $20.59 |
Options exercisable (in shares) | 3,901,170 |
Options exercisable - Weighted-average exercise price per share (in dollars per share) | $22.02 |
Range of exercise price per share from $6.32 to $9.62 | ' |
Stock options outstanding and exercisable by exercise price range | ' |
Exercise price per share, low end of range (in dollars per share) | $6.32 |
Exercise price per share, high end of range (in dollars per share) | $9.62 |
Options outstanding (in shares) | 43,321 |
Options outstanding - Weighted-average remaining contractual life | '4 years 14 days |
Options outstanding - Weighted-average exercise price per share (in dollars per share) | $8.72 |
Options exercisable (in shares) | 43,321 |
Options exercisable - Weighted-average exercise price per share (in dollars per share) | $8.72 |
Range of exercise price per share from $11.08 to $15.00 | ' |
Stock options outstanding and exercisable by exercise price range | ' |
Exercise price per share, low end of range (in dollars per share) | $11.08 |
Exercise price per share, high end of range (in dollars per share) | $15 |
Options outstanding (in shares) | 1,797,500 |
Options outstanding - Weighted-average remaining contractual life | '6 years 4 months 20 days |
Options outstanding - Weighted-average exercise price per share (in dollars per share) | $13.17 |
Options exercisable (in shares) | 944,310 |
Options exercisable - Weighted-average exercise price per share (in dollars per share) | $12.89 |
Range of exercise price per share from $15.10 to $19.82 | ' |
Stock options outstanding and exercisable by exercise price range | ' |
Exercise price per share, low end of range (in dollars per share) | $15.10 |
Exercise price per share, high end of range (in dollars per share) | $19.82 |
Options outstanding (in shares) | 830,068 |
Options outstanding - Weighted-average remaining contractual life | '2 years 7 months 28 days |
Options outstanding - Weighted-average exercise price per share (in dollars per share) | $16.41 |
Options exercisable (in shares) | 820,286 |
Options exercisable - Weighted-average exercise price per share (in dollars per share) | $16.40 |
Range of exercise price per share from $20.12 to $25.00 | ' |
Stock options outstanding and exercisable by exercise price range | ' |
Exercise price per share, low end of range (in dollars per share) | $20.12 |
Exercise price per share, high end of range (in dollars per share) | $25 |
Options outstanding (in shares) | 1,342,504 |
Options outstanding - Weighted-average remaining contractual life | '3 years 11 months 23 days |
Options outstanding - Weighted-average exercise price per share (in dollars per share) | $22.71 |
Options exercisable (in shares) | 1,051,671 |
Options exercisable - Weighted-average exercise price per share (in dollars per share) | $23.06 |
Range of exercise price per share from $25.98 to $29.30 | ' |
Stock options outstanding and exercisable by exercise price range | ' |
Exercise price per share, low end of range (in dollars per share) | $25.98 |
Exercise price per share, high end of range (in dollars per share) | $29.30 |
Options outstanding (in shares) | 357,691 |
Options outstanding - Weighted-average remaining contractual life | '10 months 6 days |
Options outstanding - Weighted-average exercise price per share (in dollars per share) | $27.41 |
Options exercisable (in shares) | 357,691 |
Options exercisable - Weighted-average exercise price per share (in dollars per share) | $27.41 |
Range of exercise price per share from $30.93 to $39.12 | ' |
Stock options outstanding and exercisable by exercise price range | ' |
Exercise price per share, low end of range (in dollars per share) | $30.93 |
Exercise price per share, high end of range (in dollars per share) | $39.12 |
Options outstanding (in shares) | 544,472 |
Options outstanding - Weighted-average remaining contractual life | '10 months 24 days |
Options outstanding - Weighted-average exercise price per share (in dollars per share) | $36.15 |
Options exercisable (in shares) | 524,920 |
Options exercisable - Weighted-average exercise price per share (in dollars per share) | $36.27 |
Range of exercise price per share from $40.88 to $62.06 | ' |
Stock options outstanding and exercisable by exercise price range | ' |
Exercise price per share, low end of range (in dollars per share) | $40.88 |
Exercise price per share, high end of range (in dollars per share) | $62.06 |
Options outstanding (in shares) | 158,971 |
Options outstanding - Weighted-average remaining contractual life | '1 year 4 months 28 days |
Options outstanding - Weighted-average exercise price per share (in dollars per share) | $42.77 |
Options exercisable (in shares) | 158,971 |
Options exercisable - Weighted-average exercise price per share (in dollars per share) | $42.77 |