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.

No definition available.

+ Details

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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).

+ 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 (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Net number of share options (or share units) granted during the period.

+ 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 (c)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Description of the estimated period of time over which an employee may exercise the vested equity compensation award granted. This period may be explicit or implicit based on the terms of the award, and may be presented in a variety of ways (for example, year, month and year, day, month and year, quarter of a year).

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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Equity Compensation Plans - Summary of Equity Awards Granted (Details) - shares			3 Months Ended
	Apr. 01, 2017	Jan. 03, 2017	Apr. 01, 2017	Mar. 31, 2017
Class of Stock [Line Items]
Stock options (in shares)				2,669
Stock options \| Four Year Graded Vesting
Class of Stock [Line Items]
Stock options (in shares)				2,669
Restricted stock
Class of Stock [Line Items]
Restricted stock (in shares)				525
Restricted stock \| Four Year Graded Vesting
Class of Stock [Line Items]
Restricted stock (in shares)				525
January 1 to March 31, 2017 \| Four Year Graded Vesting
Class of Stock [Line Items]
Equity award contractual term (in years)		4 years
April 1, 2017 \| Four Year Graded Vesting
Class of Stock [Line Items]
Equity award contractual term (in years)	4 years
April 1, 2017 \| Two-year Graded Vesting
Class of Stock [Line Items]
Equity award contractual term (in years)	2 years
Subsequent Event \| Stock options
Class of Stock [Line Items]
Stock options (in shares)			1,349,706
Subsequent Event \| Stock options \| Four Year Graded Vesting
Class of Stock [Line Items]
Stock options (in shares)	1,300,007
Subsequent Event \| Stock options \| Two-year Graded Vesting
Class of Stock [Line Items]
Stock options (in shares)	47,030
Subsequent Event \| Restricted stock
Class of Stock [Line Items]
Restricted stock (in shares)			260,286
Subsequent Event \| Restricted stock \| Four Year Graded Vesting
Class of Stock [Line Items]
Restricted stock (in shares)	248,489
Subsequent Event \| Restricted stock \| Two-year Graded Vesting
Class of Stock [Line Items]
Restricted stock (in shares)	11,272