Commitments and Contingencies - Additional Information (Details)			12 Months Ended
	Mar. 31, 2016 USD ($)	Feb. 13, 2015 USD ($)	Jan. 31, 2018 USD ($) Floor	Jan. 31, 2017 USD ($)	Jan. 31, 2016 USD ($)	Jan. 31, 2015 USD ($)	Nov. 27, 2017 USD ($)
Commitments And Contingencies [Line Items]
Letters of credit facility				$ 26,800,000
Non-cancellable sublease expiration year			2022
Rent expense			$ 28,700,000	18,500,000	$ 20,900,000
Sublease income			7,400,000	6,800,000	1,300,000
Amortization of intangible assets			$ 500,000	$ 3,400,000	5,600,000
Settlement Agreement
Commitments And Contingencies [Line Items]
Amortization of intangible assets	$ 100,000
Date of settlement agreement			March 31, 2016
Jury award amount	4,900,000
Reversal of Previous Settlement Accruals and Interest	5,600,000
Income (Loss) Related to Litigation Settlement			$ 1,700,000
Open Text S.A.
Commitments And Contingencies [Line Items]
Damage awarded		$ 4,900,000
Accrual for settlement payable						$ 4,900,000
Litigation expense						$ 3,900,000
Weighted Average Useful Life						14 months
Accrued additional liability related to the interest on the jury award					659,000
Open Text S.A. | Settlement Agreement
Commitments And Contingencies [Line Items]
Settlement amount paid	$ 3,750,000
Open Text S.A. | General and Administrative Expense
Commitments And Contingencies [Line Items]
Amortization of intangible assets					$ 855,000
San Francisco Building
Commitments And Contingencies [Line Items]
Number of floors for headquarters | Floor			1
Subleases Expire in Fiscal 2018 and 2021
Commitments And Contingencies [Line Items]
Non-cancellable sublease proceeds for the year ending January 31, 2019			$ 7,600,000
Non-cancellable sublease proceeds for the year ending January 31, 2020			3,600,000
Non-cancellable sublease proceeds for the year ending January 31, 2021			2,700,000
Non-cancellable sublease proceeds for the year ending January 31, 2022			$ 600,000
Minimum
Commitments And Contingencies [Line Items]
Operating lease expiration year			2019
Capital lease term			3 years
Term of sublease arrangement			19 months
Weighted Average Useful Life			2 years
Maximum
Commitments And Contingencies [Line Items]
Operating lease expiration year			2029
Capital lease term			4 years
Term of sublease arrangement			49 months
Weighted Average Useful Life			7 years
November 2017 Facility | Wells Fargo Bank | Secured Debt | Letter of Credit
Commitments And Contingencies [Line Items]
Letters of credit facility			$ 26,400,000
Line of credit facility, maximum borrowing capacity sublimit							$ 30,000,000
Agreement entered date			Nov. 27, 2017