Balance Sheet Accounts (Schedule of Deferred Revenue, Net) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2012
Deferred Revenue Arrangement [Line Items]
Deferred revenue, current and noncurrent	$ 90,850		$ 41,454
Less: current portion	71,183		33,184
Non-current deferred revenue, net	19,667		8,270
Services
Deferred Revenue Arrangement [Line Items]
Deferred revenue, current and noncurrent	84,206	81,485	38,003	36,808	35,797	37,461
Less: current portion	64,539			28,801
Non-current deferred revenue, net	19,667			8,007
Product
Deferred Revenue Arrangement [Line Items]
Deferred revenue, current and noncurrent	$ 6,644		$ 3,451