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).

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

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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).

+ References

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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.

+ References

No definition available.

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Stock-Based Compensation - Awards Granted (Details) - $ / shares	Feb. 24, 2016	Jan. 04, 2016	Feb. 18, 2015	Jan. 02, 2015
RSAs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of Restricted Stock Awarded (shares)		22,946		21,875
Price Per Share (usd per share)		$ 38.13		$ 33.60
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of Restricted Stock Awarded (shares)	50,000		50,000
Price Per Share (usd per share)	$ 38.99		$ 33.44
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of Restricted Stock Awarded (shares)	140,000		175,000
Price Per Share (usd per share)	$ 38.99		$ 33.44