Income Taxes (Tables)

6 Months Ended

Jul. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Provision for Income Taxes

The following table provides details of the provision for income taxes:

	Three Months Ended July 31,						Six Months Ended July 31,
	2021			2020			2021			2020
	(in thousands, except percentages)
Income before provision for income taxes	$	323,884		$	190,185		$	552,815		$	219,360
Provision for income taxes	6,800			4,196			8,200			6,296
Effective tax rate	2.1		%	2.2		%	1.5		%	2.9		%