Condensed Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Net income	$ 19,288		$ 9,752
Other comprehensive income:
Unrealized gain on pension plan obligation	528	[1]	664	[1]
Tax effect of unrealized gain on pension plan	(216)		(271)
Total other comprehensive income	312		393
Total comprehensive income	$ 19,600		$ 10,145

[1] These items are included in the computation of net periodic pension cost. See Note 9 - Employee Benefit Plan.