Annual report pursuant to Section 13 and 15(d)

Goodwill - Reconciliation of Changes to Carrying Amount of Goodwill (Detail)

v3.7.0.1
Goodwill - Reconciliation of Changes to Carrying Amount of Goodwill (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Goodwill [Roll Forward]      
Goodwill Beginning Balance $ 76,621 $ 76,747 $ 4,837
Adjustments 0 (126) 71,910
Goodwill Ending Balance 76,621 76,621 76,747
Content      
Goodwill [Roll Forward]      
Goodwill Beginning Balance 5,244 5,244 3,772
Adjustments 0 0 1,472
Goodwill Ending Balance 5,244 5,244 5,244
O&O      
Goodwill [Roll Forward]      
Goodwill Beginning Balance 42,268 42,268 1,065
Adjustments 0 0 41,203
Goodwill Ending Balance 42,268 42,268 42,268
A&P      
Goodwill [Roll Forward]      
Goodwill Beginning Balance 29,109 29,235 0
Adjustments 0 (126) 29,235
Goodwill Ending Balance $ 29,109 $ 29,109 $ 29,235