Balance Sheet Accounts (Schedule of Deferred Revenue, Net) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2013
Deferred Revenue Arrangement [Line Items]
Deferred revenue, current and noncurrent	$ 96,347		$ 97,677
Less: current portion	73,206		74,735
Non-current deferred revenue, net	23,141		22,942
Services
Deferred Revenue Arrangement [Line Items]
Deferred revenue, current and noncurrent	88,737	91,373	89,657	84,206	81,485	38,003
Less: current portion	65,596			64,539
Non-current deferred revenue, net	23,141			19,667
Product
Deferred Revenue Arrangement [Line Items]
Deferred revenue, current and noncurrent	$ 7,610		$ 8,020