v3.5.0.1
Goodwill and Other Identified Intangible Assets (Finite-Lived Intangible Assets) (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Identified intangible assets with finite lives subject to amortization    
Goodwill $ 153,998 $ 153,998
Other identified intangible assets not subject to amortization 6,000 180,363
Other identified intangibles, net 209,094 224,181
Gross Carrying Amount 265,137 88,788
Accumulated Amortization (62,043) (44,970)
Net $ 203,094 43,818
Minimum    
Identified intangible assets with finite lives subject to amortization    
Range of Lives 3 years  
Maximum    
Identified intangible assets with finite lives subject to amortization    
Range of Lives 27 years  
Tradenames    
Identified intangible assets with finite lives subject to amortization    
Gross Carrying Amount $ 220,527 $ 46,166
Tradenames | Minimum    
Identified intangible assets with finite lives subject to amortization    
Range of Lives 15 years 15 years
Tradenames | Maximum    
Identified intangible assets with finite lives subject to amortization    
Range of Lives 27 years 27 years
Subscriber lists    
Identified intangible assets with finite lives subject to amortization    
Gross Carrying Amount $ 32,702 $ 32,702
Subscriber lists | Minimum    
Identified intangible assets with finite lives subject to amortization    
Range of Lives 3 years 3 years
Subscriber lists | Maximum    
Identified intangible assets with finite lives subject to amortization    
Range of Lives 15 years 15 years
Customer relationships    
Identified intangible assets with finite lives subject to amortization    
Gross Carrying Amount $ 2,300 $ 2,300
Customer relationships | Minimum    
Identified intangible assets with finite lives subject to amortization    
Range of Lives 5 years 5 years
Customer relationships | Maximum    
Identified intangible assets with finite lives subject to amortization    
Range of Lives 10 years 10 years
Other intangible assets    
Identified intangible assets with finite lives subject to amortization    
Gross Carrying Amount $ 9,608 $ 7,620
Range of Lives 3 years 3 years