Share based compensation arrangement by share based payment award measurement period commencement date.

No definition available.

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- Definition

Share based compensation arrangement by share based payment award measurement period end date.

+ References

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

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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

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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.

+ Details

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ 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

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- Definition

Number of shares for which recognition of compensation cost was accelerated.

+ References

No definition available.

+ Details

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Share Based Compensation - Restricted Performance Share Units (Details) - Executive Officer [Member] - Restricted Performance Share Units Plan [Member] - USD ($) $ in Thousands					3 Months Ended
	Feb. 22, 2016	Feb. 23, 2015	Mar. 12, 2014	Mar. 11, 2014	Mar. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested at January 1, 2016, shares					364,267
Granted, shares					231,388
Units Accelerated for Qualifying Retirement					0
Non-vested at March 31, 2016, shares					595,655
Units Granted	231,388	186,395	61,720	134,284
Fair Value of Units on Grant Date (in thousands)	$ 3,558	$ 3,933	$ 1,255	$ 2,624
March 11, 2014 RSPU Grant [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested at January 1, 2016, shares					123,155
Granted, shares					0
Units Accelerated for Qualifying Retirement					0
Non-vested at March 31, 2016, shares					123,155
Measurement Period Commencement Date					Jan. 01, 2014
Measurement Period End Date					Dec. 31, 2016
March 12, 2014 RSPU Grant [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested at January 1, 2016, shares					61,720
Granted, shares					0
Units Accelerated for Qualifying Retirement					0
Non-vested at March 31, 2016, shares					61,720
Measurement Period Commencement Date					Jan. 01, 2014
Measurement Period End Date					Dec. 31, 2016
February 23, 2015 RSPU Grant [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested at January 1, 2016, shares					179,392
Granted, shares					0
Units Accelerated for Qualifying Retirement					0
Non-vested at March 31, 2016, shares					179,392
Measurement Period Commencement Date					Jan. 01, 2015
Measurement Period End Date					Dec. 31, 2017
February 22, 2016 RSPU Grant [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested at January 1, 2016, shares					0
Granted, shares					231,388
Units Accelerated for Qualifying Retirement					0
Non-vested at March 31, 2016, shares					231,388
Measurement Period Commencement Date					Jan. 01, 2016
Measurement Period End Date					Dec. 31, 2018