Receivables (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Sep. 30, 2012 D	Jun. 30, 2012
Accounts, Notes, Loans and Financing Receivable, Classified [Abstract]
Allowance for doubtful accounts as a percentage of notes receivable	6.00%	6.00%
Minimum number of days past due before placed on non-accrual status	60
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 1.2	$ 0.4
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	$ 0.2	$ 0.1
Percentage of notes receivable that are classified as current	99.00%	100.00%

Allowance for Doubtful Accounts, Percent of Notes Receivable

No definition available.

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- Definition

Financing Receivable, Nonaccrual Status, Minimum Number of Days Past Due

+ References

No definition available.

+ Details

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- Definition

Percentage of notes receivable that are classified as current

+ References

No definition available.

+ Details

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- Details

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- Definition

Financing receivables that are less than 90 days past due but more than 59 days past due.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7A

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524

+ Details

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- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5111-111524

+ Details

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