|
Shareholders' Equity (Restricted Stock Units) (Details) (USD $)
In Millions, except Share data, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
| Restricted Stock Units (RSUs) |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Total fair value of vested stock options |
$ 20.8 |
$ 27.3 |
$ 18.0 |
| Weighted Average Grant Date Fair Value Per Unit (in dollars per share): |
|
|
|
| Vested |
$ 44.72 |
$ 55.99 |
$ 38.49 |
| Time-based RSUs | Minimum |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Vesting period |
3 years |
3 years |
3 years |
| Time-based RSUs | Maximum |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Vesting period |
4 years |
4 years |
4 years |
| Performance-based RSUs |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Vesting period |
3 years |
|
|
| LTIP | Restricted Stock Units (RSUs) |
|
|
|
| Number of Restricted Stock Units (in shares): |
|
|
|
| Nonvested balance as of the beginning of the period |
1,334,694 |
|
|
| Granted |
694,645 |
|
|
| Vested |
(411,817) |
|
|
| Forfeited |
(71,832) |
|
|
| Nonvested balance as of the end of the period |
1,545,690 |
|
|
| Weighted Average Grant Date Fair Value Per Unit (in dollars per share): |
|
|
|
| Nonvested balance as of the beginning of the period |
$ 40.14 |
|
|
| Granted |
$ 44.84 |
|
|
| Vested |
$ 30.23 |
|
|
| Forfeited |
$ 44.57 |
|
|
| Nonvested balance as of the end of the period |
$ 44.69 |
|
|
| Catamaran Corporation Long-Term Incentive Plan | Restricted Stock Units (RSUs) |
|
|
|
| Weighted Average Grant Date Fair Value Per Unit (in dollars per share): |
|
|
|
| Granted |
$ 44.84 |
|
|
| Catamaran Corporation Long-Term Incentive Plan | Time-based RSUs |
|
|
|
| Number of Restricted Stock Units (in shares): |
|
|
|
| Granted |
302,257 |
|
|
| Nonvested balance as of the end of the period |
714,810 |
|
|
| Catamaran Corporation Long-Term Incentive Plan | Performance-based RSUs |
|
|
|
| Number of Restricted Stock Units (in shares): |
|
|
|
| Granted |
392,388 |
|
|
| Nonvested balance as of the end of the period |
830,880 |
|
|
| Assumed Plans | Restricted Stock Units (RSUs) |
|
|
|
| Number of Restricted Stock Units (in shares): |
|
|
|
| Nonvested balance as of the beginning of the period |
213,656 |
|
|
| Granted |
247,131 |
|
|
| Vested |
(53,386) |
|
|
| Forfeited |
(76,528) |
|
|
| Nonvested balance as of the end of the period |
330,873 |
|
|
| Weighted Average Grant Date Fair Value Per Unit (in dollars per share): |
|
|
|
| Nonvested balance as of the beginning of the period |
$ 50.98 |
|
|
| Granted |
$ 44.41 |
|
|
| Vested |
$ 50.38 |
|
|
| Forfeited |
$ 49.06 |
|
|
| Nonvested balance as of the end of the period |
$ 46.62 |
|
|
| Assumed Plans | Time-based RSUs |
|
|
|
| Number of Restricted Stock Units (in shares): |
|
|
|
| Granted |
155,615 |
|
|
| Nonvested balance as of the end of the period |
243,925 |
|
|
| Assumed Plans | Performance-based RSUs |
|
|
|
| Number of Restricted Stock Units (in shares): |
|
|
|
| Granted |
91,516 |
|
|
| Nonvested balance as of the end of the period |
86,948 |
|
|