Consolidated Businesses - Additional Information (Detail) - USD ($) $ in Thousands									3 Months Ended
	Jul. 13, 2015	Jun. 11, 2015	Jun. 10, 2015	Dec. 17, 2014	Nov. 03, 2014	Nov. 03, 2014	Oct. 01, 2014	Aug. 08, 2014	Mar. 31, 2015	Jun. 30, 2015
FolioDynamix
Business Acquisition [Line Items]
Business acquisition, consideration transferred					$ 205,824
Rolled stock options acquired					4,100
Business acquisition purchase price allocation, goodwill not deductible for tax purposes					166,200	$ 166,200
Business acquisition, transaction costs					1,400	1,400
Deferred revenue, reduced amount					(6,000)
Business combination, revenue contributed					3,800
Business combination, net income contributed					1,100
Purchase price allocation assets acquired					205,824	205,824
Cash paid for acquisition					201,699
Fair value of stock options of FolioDynamix					$ 4,125
FolioDynamix | Scenario, Adjustment
Business Acquisition [Line Items]
Working capital adjustment						$ 700			$ 700
MSDSonline One
Business Acquisition [Line Items]
Purchase price allocation assets acquired								$ 11,500
MSDSonline One | Maximum
Business Acquisition [Line Items]
Contingent earn-out payment								$ 2,000
Bolt
Business Acquisition [Line Items]
Cash paid for acquisition							$ 2,100
NuCivic
Business Acquisition [Line Items]
Business acquisition, consideration transferred				$ 5,100
Purchase price allocation assets acquired										$ 2,000
Cash paid for acquisition				2,000
Deferred liability Charges				600
Business acquisition, stock issued				$ 3,100
Talent Management in Government Inc.
Business Acquisition [Line Items]
Purchase price allocation assets acquired										$ 500
GovDelivery [Member] | Talent Management in Government Inc.
Business Acquisition [Line Items]
Business acquisition, consideration transferred			$ 500
Cash paid for acquisition			$ 400
Business Combination, Consideration Transferred, Liabilities Incurred		$ 100
FolioDynamix
Business Acquisition [Line Items]
Reclassification of FolioDynamix noncontrolling ownership
Subsequent Event [Member] | GovDelivery [Member] | Vox Metropolis Inc.
Business Acquisition [Line Items]
Business acquisition, consideration transferred	$ 2,300
Cash paid for acquisition	1,200
Fair value of stock options of FolioDynamix	$ 1,100