SHARE-BASED COMPENSATION: (Details 3) (USD $) | 9 Months Ended | 12 Months Ended |
In Millions, except Share data, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013 | Mar. 31, 2014 |
Non-vested restricted stock unit activity | | | |
Outstanding at the end of the period (in shares) | 245,404 | | |
Non-vested restricted stock units, Weighted average fair value per share at grant date | | | |
Outstanding at the end of the period (in dollars per share) | $40 | | |
Weighted-average remaining contractual term | | | |
Weighted-average remaining contractual term at the beginning of the period | 2 years 3 months | | |
Weighted-average remaining contractual term at the end of the period | 2 years 3 months | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Aggregate fair value of restricted stock units granted | $1 | | |
Minimum | | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Performance share awards vested (as a percent) | 0.00% | | |
Maximum | | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Performance share awards vested (as a percent) | 100.00% | | |
Performance-based | | | |
Share-based compensation | | | |
Share-based compensation expense | 0.2 | | |
Future share-based compensation expense expected | 0.8 | | |
Period for recognition of unrecognized stock-based compensation expense | 3 years | | |
Non-vested restricted stock unit activity | | | |
Granted (in shares) | 201,464 | | |
Outstanding at the end of the period (in shares) | 201,464 | | |
Non-vested restricted stock units, Weighted average fair value per share at grant date | | | |
Granted (in dollars per share) | $5.18 | | |
Outstanding at the end of the period (in dollars per share) | $5.18 | | |
Weighted-average remaining contractual term | | | |
Weighted-average remaining contractual term at the beginning of the period | 2 years 3 months | | |
Weighted-average remaining contractual term at the end of the period | 2 years 3 months | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Performance share awards vested (as a percent) | 100.00% | | |
Consecutive trading days during the performance period | 20 days | | |
Performance-based | Minimum | | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Price (in dollars per share) | $40 | | |
Performance-based | Maximum | | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Price (in dollars per share) | $70 | | |
Restricted stock units | | | |
Share-based compensation | | | |
Share-based compensation expense | 12.8 | 8.6 | |
Future share-based compensation expense expected | 39.5 | | |
Period for recognition of unrecognized stock-based compensation expense | 4 years | | |
Restricted stock units | Time-vesting | | | |
Non-vested restricted stock unit activity | | | |
Outstanding at the beginning of the period (in shares) | 1,078,029 | | |
Granted (in shares) | 1,650,662 | | |
Vested (in shares) | -404,428 | | |
Forfeited or cancelled (in shares) | -207,608 | | |
Outstanding at the end of the period (in shares) | 2,116,655 | | 1,078,029 |
Non-vested restricted stock units, Weighted average fair value per share at grant date | | | |
Outstanding at the beginning of the period (in dollars per share) | $18.46 | | |
Granted (in dollars per share) | $21.43 | | |
Vested (in dollars per share) | $17.94 | | |
Forfeited or cancelled (in dollars per share) | $22.02 | | |
Outstanding at the end of the period (in dollars per share) | $21.59 | | $18.46 |
Weighted-average remaining contractual term | | | |
Weighted-average remaining contractual term at the beginning of the period | 2 years 2 months 16 days | | 2 years 2 months 1 day |
Weighted-average remaining contractual term at the end of the period | 2 years 2 months 16 days | | 2 years 2 months 1 day |
Restricted Stock Unit Activity - Other disclosures | | | |
Aggregate fair value of restricted stock units granted | 35.4 | | |
Restricted stock units | Vesting in equal annual increments over four years | | | |
Non-vested restricted stock unit activity | | | |
Granted (in shares) | 673,482 | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Award vesting period | 4 years | | |
Restricted stock units | Vesting in equal annual increments over two years | | | |
Non-vested restricted stock unit activity | | | |
Granted (in shares) | 928,252 | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Award vesting period | 2 years | | |
Restricted stock units | Vesting in one year | | | |
Non-vested restricted stock unit activity | | | |
Granted (in shares) | 48,928 | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Award vesting period | 1 year | | |
Restricted stock units | Performance-based | | | |
Non-vested restricted stock unit activity | | | |
Outstanding at the beginning of the period (in shares) | 1,066,828 | | |
Granted (in shares) | 259,167 | | |
Vested (in shares) | -523,378 | | |
Forfeited or cancelled (in shares) | -43,864 | | |
Outstanding at the end of the period (in shares) | 758,753 | | 1,066,828 |
Non-vested restricted stock units, Weighted average fair value per share at grant date | | | |
Outstanding at the beginning of the period (in dollars per share) | $14.19 | | |
Granted (in dollars per share) | $18.98 | | |
Vested (in dollars per share) | $9.64 | | |
Forfeited or cancelled (in dollars per share) | $24.87 | | |
Outstanding at the end of the period (in dollars per share) | $18.57 | | $14.19 |
Weighted-average remaining contractual term | | | |
Weighted-average remaining contractual term at the beginning of the period | 1 year 4 months 28 days | | 10 months 28 days |
Weighted-average remaining contractual term at the end of the period | 1 year 4 months 28 days | | 10 months 28 days |
Restricted Stock Unit Activity - Other disclosures | | | |
Aggregate fair value of restricted stock units granted | 4.9 | | |
Restricted stock units | Vesting based on total shareholder return | Minimum | | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Performance share awards vested (as a percent) | 0.00% | | |
Restricted stock units | Vesting based on total shareholder return | Maximum | | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Performance share awards vested (as a percent) | 200.00% | | |
Stock options | | | |
Share-based compensation | | | |
Share-based compensation expense | 7 | 1.7 | |
Future share-based compensation expense expected | 23.7 | | |
Period for recognition of unrecognized stock-based compensation expense | 4 years | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Pricing model used for share-based compensation arrangement | binomial lattice | | |
Stock Appreciation Rights (SARs) | Performance-based | | | |
Share-based compensation | | | |
Share-based compensation expense | 0.1 | | |
Future share-based compensation expense expected | 0.4 | | |
Period for recognition of unrecognized stock-based compensation expense | 3 years | | |
Non-vested restricted stock unit activity | | | |
Granted (in shares) | 245,404 | | |
Non-vested restricted stock units, Weighted average fair value per share at grant date | | | |
Granted (in dollars per share) | $40 | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Aggregate fair value of restricted stock units granted | 0.5 | | |
Exercise price | $40 | | |
Price (in dollars per share) | $70 | | |
Consecutive trading days during the performance period | 20 days | | |
LiveRamp Inc | | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Aggregate fair value of restricted stock units granted | $23.70 | | |
LiveRamp Inc | Restricted stock units | Time-vesting | | | |
Non-vested restricted stock unit activity | | | |
Granted (in shares) | 1,075,392 | | |
LiveRamp Inc | Stock options | | | |
Restricted Stock Unit Activity - Other disclosures | | | |
Pricing model used for share-based compensation arrangement | binomial lattice | | |