Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets - Schedule of Definite-Lived Assets (Details)

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Goodwill and Other Intangible Assets - Schedule of Definite-Lived Assets (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Mar. 31, 2013
Schedule of Acquired Indefinite-Lived and Finite-Lived Intangible Assets [Line Items]    
Net carrying amount, finite-lived intangibles $ 71,377  
Gross carrying amount, intangibles 169,403 172,272
Accumulated amortization, intangibles (50,486) (40,356)
Net carrying amount, intangibles 118,917 131,916
Developed Technology [Member]
    
Schedule of Acquired Indefinite-Lived and Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount, finite-lived intangibles 10,781 10,929
Accumulated amortization, finite-lived intangibles (2,167) (1,659)
Net carrying amount, finite-lived intangibles 8,614 9,270
Customer Relationships [Member]
    
Schedule of Acquired Indefinite-Lived and Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount, finite-lived intangibles 99,578 101,355
Accumulated amortization, finite-lived intangibles (37,383) (27,723)
Net carrying amount, finite-lived intangibles 62,195 73,632
Backlog [Member]
    
Schedule of Acquired Indefinite-Lived and Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount, finite-lived intangibles 9,874 10,167
Accumulated amortization, finite-lived intangibles (9,874) (10,167)
Net carrying amount, finite-lived intangibles 0 0
Other [Member]
    
Schedule of Acquired Indefinite-Lived and Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount, finite-lived intangibles 1,630 1,630
Accumulated amortization, finite-lived intangibles (1,062) (807)
Net carrying amount, finite-lived intangibles 568 823
Trademarks [Member]
    
Schedule of Acquired Indefinite-Lived and Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount, indefinite-lived intangibles 47,042 47,693
Certification Marks [Member]
    
Schedule of Acquired Indefinite-Lived and Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount, indefinite-lived intangibles $ 498 $ 498