XML 11 R39.htm IDEA: XBRL DOCUMENT

Income Taxes - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012 Y	Mar. 31, 2012
Income Taxes [Line Items]
Net deferred tax liability	$ 5,344	$ 4,799
Amortization period of deferred tax liability (years)	15

Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed after one year (or the normal operating cycle, if longer).

+ References+ Details