Description of Business and Summary of Significant Accounting Policies Intangible Assets Table (Details) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2014	Feb. 28, 2013
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 81,959	$ 83,484
Finite-Lived Intangible Assets, Accumulated Amortization	22,511	17,516
Finite-Lived Intangible Assets, Net	59,448	65,968
Intangible assets, net	174,312	205,398
Customer Relationships [Member]
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	68,231	69,293
Finite-Lived Intangible Assets, Accumulated Amortization	16,381	12,029
Finite-Lived Intangible Assets, Net	51,850	57,264
Trademarks and Tradenames [Member]
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	415	1,237
Finite-Lived Intangible Assets, Accumulated Amortization	377	810
Finite-Lived Intangible Assets, Net	38	427
Patents [Member]
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	10,357	9,998
Finite-Lived Intangible Assets, Accumulated Amortization	2,879	1,894
Finite-Lived Intangible Assets, Net	7,478	8,104
Licensing Agreements [Member]
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,400	1,400
Finite-Lived Intangible Assets, Accumulated Amortization	1,400	1,400
Finite-Lived Intangible Assets, Net	0	0
Contractual Rights [Member]
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,556	1,556
Finite-Lived Intangible Assets, Accumulated Amortization	1,474	1,383
Finite-Lived Intangible Assets, Net	82	173
Trademarks [Member]
Goodwill and Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 114,864	$ 139,430