|
Property and Equipment - Additional Information (Detail) (USD $)
In Billions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Jun. 30, 2012
|
|
| Property, Plant and Equipment [Line Items] | |||
| Depreciation expense | $ 3.4 | $ 2.6 | $ 2.2 |