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Income Taxes - Major Jurisdictions (Detail)	3 Months Ended
	Sep. 30, 2015
United States [Member]
Income Tax Contingency [Line Items]
Tax Year	2010
New York State [Member]
Income Tax Contingency [Line Items]
Tax Year	2011
New York City [Member]
Income Tax Contingency [Line Items]
Tax Year	2011
United Kingdom [Member]
Income Tax Contingency [Line Items]
Tax Year	2009
Italy [Member]
Income Tax Contingency [Line Items]
Tax Year	2009

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Tax year being audited in the income tax examination, in CCYY format.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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