Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Feb. 29, 2016 |
Feb. 28, 2015 |
Feb. 28, 2014 |
|
| Finite-Lived Intangible Assets [Line Items] | |||
| Accumulated amortization | $ 71,201 | $ 56,699 | |
| Amortization of intangible assets | $ 16,222 | $ 18,039 | $ 18,214 |