Income Taxes (Details) (USD $)	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Loss Carryforwards [Line Items]
Provision for income taxes	$ 1,008,000	$ 427,000
Tax amortization deduction for capitalized goodwill	1,100,000
Deferred tax liability, goodwill	1,500,000
Unrecognized tax benefits	11,300,000
Unrecognized tax benefits that would impact effective tax rate	200,000
Unrecognized tax benefits resulting in adjustments to deferred tax assets	11,100,000
Accrued penalties and interest for unrecognized income tax benefits	23,000	42,000
Foreign
Operating Loss Carryforwards [Line Items]
Amount of decrease in unrealized tax benefit from expiration of statute of limitations	$ 200,000
Enterasys Networks, Inc.
Operating Loss Carryforwards [Line Items]
Amortization period for tax purposes	15 years