Stockholders' Equity (Tables)

9 Months Ended

Oct. 31, 2019

Stockholders' Equity [Abstract]

Schedule of stockholders equity

The changes in stockholders’ equity for the three and nine months ended October 31, 2019 and 2018 are as follows (in thousands):

					Accumulated				Common
			Additional		Other				Stock
	Common		Paid-In		Comprehensive		Retained		Held In
	Stock		Capital		Loss		Earnings		Treasury		Total
Balance as of July 31, 2019	$	264	$	456,195	$	(16,848)	$	772,463	$	(44,254)	$	1,167,820
Equity awards exercised/vested, net		—		(2,224)		—		—		2,224		—
Share-based compensation expense		—		4,308		—		—		—		4,308
Taxes paid for net share settlements		—		(1,001)		—		—		—		(1,001)
Other comprehensive gain, net		—		—		(6,212)		—		—		(6,212)
Net income		—		—		—		95,387		—		95,387
Balance as of October 31, 2019	$	264	$	457,278	$	(23,060)	$	867,850	$	(42,030)	$	1,260,302

					Accumulated				Common
			Additional		Other				Stock
	Common		Paid-In		Comprehensive		Retained		Held In
	Stock		Capital		Loss		Earnings		Treasury		Total
Balance as of July 31, 2018	$	263	$	460,000	$	(13,587)	$	640,774	$	(233)	$	1,087,217
Equity awards exercised/vested, net		1		(234)		—		—		233		—
Share-based compensation expense		—		5,436		—		—		—		5,436
Taxes paid for net share settlements		—		(3,745)		—		—		—		(3,745)
Other comprehensive loss, net		—		—		(1,979)		1		—		(1,978)
Net income		—		—		—		94,025		—		94,025
Balance as of October 31, 2018	$	264	$	461,457	$	(15,566)	$	734,800	$	—	$	1,180,955

					Accumulated				Common
			Additional		Other				Stock
	Common		Paid-In		Comprehensive		Retained		Held In
	Stock		Capital		Loss		Earnings		Treasury		Total
Balance as of January 31, 2019	$	264	$	464,112	$	(15,194)	$	758,881	$	(19,054)	$	1,189,009
Equity awards exercised/vested, net		—		(12,124)		—		—		12,240		116
Share-based compensation expense		—		13,657		—		—		—		13,657
Taxes paid for net share settlements		—		(8,367)		—		—		—		(8,367)
Other comprehensive loss, net		—		—		(7,866)		—		—		(7,866)
Repurchases of common stock		—		—		—		—		(35,216)		(35,216)
Cumulative effect of adoption of ASC 842		—		—		—		(9,580)		—		(9,580)
Net income		—		—		—		118,549		—		118,549
Balance as of October 31, 2019	$	264	$	457,278	$	(23,060)	$	867,850	$	(42,030)	$	1,260,302

					Accumulated				Common
			Additional		Other				Stock
	Common		Paid-In		Comprehensive		Retained		Held In
	Stock		Capital		Loss		Earnings		Treasury		Total
Balance as of January 31, 2018	$	245	$	451,844	$	(5,522)	$	674,542	$	(420)	$	1,120,689
Equity awards exercised/vested, net		19		(383)		—		—		420		56
Share-based compensation expense		—		14,876		—		—		—		14,876
Taxes paid for net share settlements		—		(4,843)		—		—		—		(4,843)
Other comprehensive loss, net		—		(37)		(10,044)		(1)		—		(10,082)
Cumulative effect of adoption of ASC 606		—		—		—		(53,728)		—		(53,728)
Net income		—		—		—		113,987		—		113,987
Balance as of October 31, 2018	$	264	$	461,457	$	(15,566)	$	734,800	$	—	$	1,180,955