Income Taxes - Summary of Activity Related to Unrecognized Tax Benefits (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
---|---|---|---|
Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2011
|
|
Income Tax Disclosure [Abstract] | |||
Beginning balance | $ 62.6 | $ 47.0 | $ 16.7 |
Gross increase related to prior period tax positions | 1.9 | 9.2 | 31.4 |
Gross increase related to current period tax positions | 2.2 | 6.4 | 2.6 |
Gross decrease related to prior period tax positions | (36.7) | (3.7) | |
Balance at June 30, | $ 30.0 | $ 62.6 | $ 47.0 |
X | ||||||||||
- Details
|
X | ||||||||||
- Definition
The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The gross amount of decreases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|