Income Taxes (Tables)

6 Months Ended

Mar. 31, 2017

Income Taxes

Tax Expense and Effective Tax Rate

	Three-Months Ended				Six-Months Ended
	March 31,				March 31,
	2017		2016		2017		2016
Earnings before income taxes	$	50,236	$	54,366	$	97,295	$	82,322
Income tax expense		12,131		13,542		12,642		15,678
Effective tax rate		24.1%		24.9%		13.0%		19.0%