COMMITMENTS AND CONTINGENCIES: (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		3 Months Ended
	Jun. 30, 2014 Operating Lease and Licensing Agreements [Member]	Mar. 31, 2011 Go Digital Tecnologia E Participacoes [Member]	Jun. 30, 2014 Pending Litigation [Member]
Commitments
Period of dispute investigation			30 days
Percentage of interest acquired		70.00%
Future commitment for lease payments under noncancellable operating leases	P26Y
Future commitment for lease payments under noncancellable operating leases	$ 123.6
Accrual for gains, losses and other expenses			$ 3.7