Components of Total Notes Receivable Net (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable	$ 266.3	$ 305.7
Allowance for doubtful accounts	(5.0)	(4.3)	(2.6)
Total notes receivable, net	261.3	301.4
Domestic
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable	84.8	123.4
International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable	181.5	182.3
Balances that are over 90 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable	8.9	6.6
Allowance for doubtful accounts	(4.0)	(1.5)
Total notes receivable, net	4.9	5.1
Balances that are over 90 days past due | Domestic
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable	0.7	1.4
Balances that are over 90 days past due | International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable	$ 8.2	$ 5.2