Balance Sheet Accounts (Schedule of Deferred Revenue, Net) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012
Deferred Revenue Arrangement [Line Items]
Deferred revenue, current and noncurrent	$ 89,770		$ 41,454
Less: current portion	71,435		33,184
Non-current deferred revenue, net	18,335		8,270
Services
Deferred Revenue Arrangement [Line Items]
Deferred revenue, current and noncurrent	81,485	37,091	38,003	35,797	35,661	37,461
Less: current portion	63,150			27,664
Non-current deferred revenue, net	18,335			8,133
Product
Deferred Revenue Arrangement [Line Items]
Deferred revenue, current and noncurrent	$ 8,285		$ 3,451