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Goodwill and Intangible Assets - Schedule of Amortizable Intangible Assets (Details) - USD ($)
$ in Thousands
Feb. 29, 2016
Feb. 28, 2015
Amortizable intangible assets    
Finite-lived intangible assets, gross $ 219,402 $ 210,556
Less accumulated amortization (71,201) (56,699)
Finite-Lived Intangible Assets, Net 148,201 153,857
Customer-Related Intangible Assets [Member]    
Amortizable intangible assets    
Finite-lived intangible assets, gross 169,637 159,235
Noncompete Agreements [Member]    
Amortizable intangible assets    
Finite-lived intangible assets, gross 5,596 5,715
Trademarks [Member]    
Amortizable intangible assets    
Finite-lived intangible assets, gross 4,569 5,042
Technology [Member]    
Amortizable intangible assets    
Finite-lived intangible assets, gross 7,400 7,400
Certification Marks [Member]    
Amortizable intangible assets    
Finite-lived intangible assets, gross 0 209
Engineering Drawings [Member]    
Amortizable intangible assets    
Finite-lived intangible assets, gross 24,600 24,600
Order or Production Backlog [Member]    
Amortizable intangible assets    
Finite-lived intangible assets, gross $ 7,600 $ 8,355