State Net Operating Loss (Detail) - Mar. 31, 2015 - States - USD ($) $ in Millions	Total
Deferred Tax Assets, Net Operating Losses, Capital Losses, and Tax Credits Carryforwards [Line Items]
Net operating loss carry forwards, amount	$ 0.3
Fiscal Year 2014
Deferred Tax Assets, Net Operating Losses, Capital Losses, and Tax Credits Carryforwards [Line Items]
Net operating loss carryforward, origination year	2014
Net operating loss carry forwards, amount	$ 0.3
Net operating loss carryforwards, expiration year	2034