XML 35 R24.htm IDEA: XBRL DOCUMENT v3.10.0.1

Stockholders' Equity (Tables)

6 Months Ended

Jul. 31, 2018

Equity [Abstract]

Schedule of stockholders equity

		Six Months Ended July 31,
		2018				2017
		(In thousands)
Balance at beginning of period		$	1,120,689			$	1,021,236
Comprehensive income (loss)			11,897				(10,918	)
Equity awards exercised/vested, net			56				422
Share-based compensation expense			9,440				10,262
Adjustments related to tax withholding for share-based compensation			(1,098	)			(7	)
Other			(39	)			39
ASC 606 cumulative effect to Retained Earnings opening balance			(53,728	)			—
Balance at end of period		$	1,087,217			$	1,021,034

X

- References

No definition available.

+ Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

+ Details

Name:	us-gaap_ScheduleOfStockholdersEquityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration