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Fair Value Measurements (Contingent Consideration Liability) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Contingent consideration liabilities [Roll Forward]        
Contingent considerations, beginning of year $ 216 $ 391 $ 341 $ 0
Additions for acquisitions 0 0 0 391
Reduction of liability for payments made 0 (150) (125) (150)
Contingent consideration, end of period $ 216 $ 241 $ 216 $ 241