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Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Change in fair value arising during period, tax	$ 136	$ 0	$ 136	$ 0
Reclassifications to net income, tax	22	0	22	0
Amortization of losses to net income, tax	$ 442	$ 288	$ 886	$ 576

Tax effect of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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