Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Operating Loss Carryforwards [Line Items]
Provision for income taxes	$ 910,000	$ 409,000	$ 2,262,000	$ 1,392,000
Tax amortization deduction for capitalized goodwill			1,700,000
Deferred tax liability, goodwill	600,000		600,000
Unrecognized tax benefits	10,900,000		10,900,000
Unrecognized tax benefits that would impact effective tax rate	300,000		300,000
Unrecognized tax benefits resulting in adjustments to deferred tax assets	10,600,000		10,600,000
Accrued penalties and interest for unrecognized income tax benefits	100,000	100,000	100,000	100,000
Foreign
Operating Loss Carryforwards [Line Items]
Amount of decrease in unrealized tax benefit from expiration of statute of limitations	$ 100,000		$ 100,000
Enterasys Networks, Inc.
Operating Loss Carryforwards [Line Items]
Amortization period for tax purposes			15 years