Increase (Decrease) In Share-based Compensation Expense, As Compared To The Prior Year Period

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Performance Period

+ References

No definition available.

+ Details

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Percent of Target Expected To Be Achieved For Market-based Award

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No definition available.

+ Details

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- Definition

Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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+ Details

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

The maximum number of shares (or other type of equity) that have been approved for issuance in the equity-based payment transaction.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666

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Share-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended
	Oct. 05, 2016	Jul. 30, 2017	Apr. 30, 2017	Jul. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares subject to purchase under warrants	1,086,957
Market Performance-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity awards granted			215,857
Description of award vesting rights			one-third of the awards vesting each performance period
Percent of target expected to be achieved				105.80%
Increase in share-based compensation expense, as compared to the corresponding period in the prior year		$ 5.0		$ 7.4
Performance Period One \| Market Performance-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period			1 year
Grant date fair value per unit			$ 38.01
Performance Period Two \| Market Performance-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period			2 years
Grant date fair value per unit			$ 39.76
Performance Period Three \| Market Performance-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period			3 years
Grant date fair value per unit			$ 40.89