XML 46 R50.htm IDEA: XBRL DOCUMENT

Restructuring - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended	6 Months Ended
Restructuring - Additional Information (Detail) (USD $)	Jul. 31, 2013	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012
Restructuring Cost And Reserve [Line Items]
Reduction in global workforce, percentage	7.00%
Severance and other costs		$ 800,000
Restructuring costs			764,000	143,000
Maximum
Restructuring Cost And Reserve [Line Items]
Restructuring costs			$ 800,000	$ 100,000

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References+ Details

- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References+ Details