XML 67 R56.htm IDEA: XBRL DOCUMENT

Assets and Liabilities Measured at Fair Value on a Recurring Basis (Parenthetical) (Detail) (Fair Value, Measurements, Recurring, USD $) In Thousands	Jun. 30, 2011	Sep. 30, 2010
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities, cost	$ 36,562	$ 33,337

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References+ Details