Restructuring Expenses - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended		3 Months Ended	0 Months Ended		3 Months Ended
	Sep. 30, 2013	Dec. 31, 2013	Mar. 31, 2014	Jun. 30, 2014 Scenario, Forecast [Member]	May 06, 2014 Subsequent Event [Member]	Mar. 31, 2014 2012 Restructuring [Member]	Jun. 30, 2014 Minimum [Member] Scenario, Forecast [Member]	Jun. 30, 2014 Maximum [Member] Scenario, Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Reductions in company's worldwide workforce		26.00%			20.00%
Reduction of overall cost structure				$ 2,000,000	$ 2,000,000
Restructuring related to sublease facility					500,000
One-time restructuring charges							1,600,000	2,000,000
Cash expenditures							1,200,000	1,400,000
Non-cash stock compensation							400,000	600,000
Restructuring plan expected to implemented primarily and result in negative cash impact							700,000	900,000
Annualized savings		16,000,000
Special charges of restructuring plan	5,600,000
Lease/rental termination charges for restructuring	3,300,000
Severance costs for affected employees	1,100,000
Equipment and improvements write-offs due to lease/rental terminations	1,000,000
Other restructuring related costs	200,000
Restructuring liability included in accrued liabilities			1,400,000
Restructuring liability is included in deferred rent and other long term liabilities			1,700,000
Restructuring liability						$ 4,000