Income Taxes (Tables)

9 Months Ended

Oct. 31, 2014

Income Tax Disclosure [Abstract]

Provision for Income Taxes

The provision for income taxes was comprised of the following:

	Three months ended October 31,						Nine months ended October 31,
	2014			2013			2014			2013
Income tax expense	$	3,849		$	3,634		$	1,907		$	1,864
Effective tax rate	15.8		%	12.6		%	5.7		%	3.7		%