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Accrued Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Mar. 31, 2013
Liabilities, Current [Abstract]    
Acquisition related contingent consideration $ 0 $ 19,100
Other accrued expenses 96,731 108,008
Total accrued liabilities $ 96,731 $ 127,108