Fair Value Measurements (Quantitative Information about Unobservable Inputs, Liabilities) (Details) - USD ($)
$ in Thousands |
1 Months Ended |
3 Months Ended |
6 Months Ended |
Jun. 30, 2015 |
May. 31, 2015 |
May. 31, 2015 |
May. 31, 2014 |
| Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |
|
|
|
|
| Payment of contingent consideration |
|
|
$ 0
|
$ (210)
|
| Asset impairment |
|
$ 3,900
|
3,947
|
$ 0
|
| Modulus [Member] |
|
|
|
|
| Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |
|
|
|
|
| Change in fair value of contingent consideration |
|
$ (1,100)
|
$ (1,200)
|
|
| Modulus [Member] | Contingent Consideration [Member] |
|
|
|
|
| Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |
|
|
|
|
| Probability milestones associated with contingent consideration will be achieved, Year 1 |
|
|
0.00%
|
|
| Probability milestones associated with contingent consideration will be achieved, Year 2 |
|
|
40.00%
|
|
| Contingent consideration, discount rate |
|
|
33.00%
|
|
| Subsequent Event [Member] |
|
|
|
|
| Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |
|
|
|
|
| Payment of contingent consideration |
$ (200)
|
|
|
|