Restructuring Charges - Separation and Restructuring Plan Activity (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jun. 30, 2013	Jun. 30, 2012
Restructuring Cost and Reserve [Line Items]
Liability balance	$ 5.7	$ 0
Increase in liability (separation charges)	16.5	7.1
Reduction in liability (payments and adjustments)	(9.0)	(1.4)
Liability balance	$ 13.2	$ 5.7

Amount of cash payment and translation adjustment increasing or decreasing the accrual for a specified type of restructuring cost.

No definition available.

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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- Definition

Net total Increase or Decrease in the accrual for restructuring costs during the reporting period.

+ References

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