Annual report pursuant to Section 13 and 15(d)

Other Current Liabilities (Details)

v3.4.0.3
Other Current Liabilities (Details) - Carrier - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2014
Other Current Liabilities      
Reduction in fixed rate royalty (as a percent) 50.00%    
Royalties earned $ 1.2 $ 1.6 $ 2.8
Unpaid earned royalties $ 0.2 $ 0.4