Fair Value Measurements (Quantitative Information about Unobservable Inputs, Liabilities) (Details) - Modulus [Member] - USD ($) |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
May 31, 2014 |
May 31, 2015 |
Nov. 30, 2015 |
|
| Fair Value Inputs, Liabilities, Quantitative Information [Line Items] | |||
| Change in fair value of contingent consideration | $ 1,100,000 | $ 1,200,000 | |
| Contingent Consideration [Member] | |||
| Fair Value Inputs, Liabilities, Quantitative Information [Line Items] | |||
| Contingent consideration liability | $ 0 |