Commitments and Contingencies (Details) BRL in Millions	6 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2015 BRL	Dec. 31, 2015 BRL	Mar. 31, 2014 USD ($)	Mar. 31, 2014 BRL
Loss Contingencies [Line Items]
Non-cancelable purchase commitments	$ 64,300,000
Accrual acquisition liability related to matter before acquisition of Enterasys	2,400,000		BRL 9.4
Foreign
Loss Contingencies [Line Items]
Value of tax credits disallowed				$ 900,000	BRL 3.4
Estimated interest in penalties	4,300,000	BRL 16.6
Foreign | Minimum
Loss Contingencies [Line Items]
Potential total tax liability | BRL		23.4
Foreign | Maximum
Loss Contingencies [Line Items]
Potential total tax liability	6,000,000
Foreign | The State of Sao Paolo v. Enterasys Networks do Brazil Ltda
Loss Contingencies [Line Items]
Estimated court fees	$ 1,000,000	BRL 4.0