Consolidated Businesses - Additional Information (Detail) - USD ($)								3 Months Ended
	Jul. 13, 2015	Jun. 10, 2015	Dec. 17, 2014	Nov. 03, 2014	Nov. 03, 2014	Oct. 01, 2014	Aug. 08, 2014	Mar. 31, 2015	Sep. 30, 2015
FolioDynamix
Business Acquisition [Line Items]
Cash paid for acquisition					$ 201,699,000
Rolled stock options acquired					4,100,000
Business acquisition purchase price allocation, goodwill not deductible for tax purposes				$ 166,200,000	166,200,000
Business acquisition, transaction costs				1,400,000	1,400,000
Deferred revenue, reduced amount					(6,000,000)
Business combination, revenue contributed					3,800,000
Business combination, net income contributed					1,100,000
Purchase price allocation assets acquired				205,824,000	205,824,000
Business acquisition, consideration transferred					205,824,000
Fair value of stock options of FolioDynamix					$ 4,125,000
FolioDynamix | Scenario, Adjustment
Business Acquisition [Line Items]
Working capital adjustment				$ 700,000				$ 700,000
MSDSonline One
Business Acquisition [Line Items]
Purchase price allocation assets acquired							$ 11,500,000
MSDSonline One | Maximum
Business Acquisition [Line Items]
Contingent earn-out payment							$ 2,000,000.0
Bolt
Business Acquisition [Line Items]
Cash paid for acquisition						$ 2,100,000
NuCivic
Business Acquisition [Line Items]
Cash paid for acquisition			$ 2,000,000
Purchase price allocation assets acquired									$ 2,000,000
Business acquisition, consideration transferred			5,100,000
Deferred liability charges			600,000
Business acquisition, stock issued			$ 3,100,000
Talent Management in Government Inc.
Business Acquisition [Line Items]
Purchase price allocation assets acquired									500,000
Textizen
Business Acquisition [Line Items]
Purchase price allocation assets acquired									$ 1,200,000
GovDelivery | Talent Management in Government Inc.
Business Acquisition [Line Items]
Cash paid for acquisition		$ 400,000
Business acquisition, consideration transferred		500,000
Business combination consideration transferred, liabilities incurred		$ 100,000
GovDelivery | Textizen
Business Acquisition [Line Items]
Cash paid for acquisition	$ 1,200,000
Business acquisition, consideration transferred	2,000,000
Fair value of stock options of FolioDynamix	800,000
Contingent consideration, asset	$ 400,000