|**Discontinued Operations (Tables)**                       | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
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|**Discontinued Operations and Disposal Groups [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Income from discontinued operations                        | For the three and six months ended September 30, 2013 and 2012, the income from discontinued operations was comprised of the following:Three months endedSix months endedSeptember 30,September 30,(In thousands)2013201220132012Discontinued operations:Net revenue$—$30,264$24,315$59,777Income from operations of RSG—1,6558952,999Gain on sale of RSG23,135—23,135—Income on sale of RSG23,1351,65524,0302,999Income tax (benefit) expense2,0555911,9951,073Income from discontinued operations$21,080$1,064$22,035$1,926
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|                                                           | Three months ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|                                                           | September 30,                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|(In thousands)                                             | 2013                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Discontinued operations:                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Net revenue                                                | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|                                                           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Income from operations of RSG                              | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Gain on sale of RSG                                        | 23,135                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Income on sale of RSG                                      | 23,135                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Income tax (benefit) expense                               | 2,055                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Income from discontinued operations                        | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            

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