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Stock-Based Compensation Stock Option Awards (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Aug. 13, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Allocated share-based compensation expense $ 518 $ 824 $ 2,323 $ 2,562  
Exercise price (USD per share)         $ 60.00
Stock-based Awards Payable in Cash [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Allocated share-based compensation expense $ (82) $ 52 $ 249 $ 167  
Unrestricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number granted (in shares) 5 12 17 21  
Grant date fair value (in shares) $ 11.47 $ 15.80 $ 18.70 $ 17.53  
Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number granted (in shares) 28 0 28 22  
Grant date fair value (in shares) $ 19.65 $ 0.00 $ 19.65 $ 27.20  
Cash-Settled Restricted Stock Units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number granted (in shares) 1 0 1 46  
Grant date fair value (in shares) $ 19.65 $ 0.00 $ 19.65 $ 26.96  
Performance Based Stock Units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number granted (in shares) 0 0 0 22  
Grant date fair value (in shares) $ 0.00 $ 0.00 $ 0.00 $ 27.20  
Cash-Settled Performance Based Stock Units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number granted (in shares) 0 0 0 46  
Grant date fair value (in shares) $ 0.00 $ 0.00 $ 0.00 $ 26.96