Share-based Compensation Arrangement by Share-based Payment Award, Number of Requisite Service Periods

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant, Percentage of Original Award

+ References

No definition available.

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- Definition

Share-based COmpensation Arrangement by Share-based Payment Award, Number of Vesting Service Periods

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Payout Curve, Maximum Percentage of Original Award

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Percentage Decrease If In Bottom Quartile

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No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Percentage Increase in Awards If In Top Quartile

+ References

No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

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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

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 Plans (Details) $ in Millions		3 Months Ended		12 Months Ended
Stock-based Compensation Plans (Details) $ in Millions	Feb. 17, 2017 service_period shares	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Sep. 22, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation		$ 4.9	$ 4.1
February 17, 2017 [Member] \| Performance Share Units [Member] \| Executive Long-Term Incentive Compensation Plan (the “ELTI Plan”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Payout Curve, Maximum Percentage of Original Award	200.00%
Share-based Compensation Arrangement by Share-based Payment Award, Percentage Increase in Awards If In Top Quartile	25.00%
Share-based Compensation Arrangement by Share-based Payment Award, Percentage Decrease If In Bottom Quartile	25.00%
February 17, 2017 [Member] \| Performance-Based Awards [Member] \| Performance Share Units [Member] \| Executive Long-Term Incentive Compensation Plan (the “ELTI Plan”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Other Award	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Requisite Service Periods \| service_period	3
September 22, 2015 [Member] \| RSU and PSU awards [Member] \| Executive Long-Term Incentive Compensation Plan (the “ELTI Plan”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation		3.2		$ 3.0
February 23, 2016 [Member] \| Performance Share Units [Member] \| Executive Long-Term Incentive Compensation Plan (the “ELTI Plan”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of performance share units as percentage of original award (in percent)					250.00%
February 23, 2016 [Member] \| RSUs, PSUs, and Other Employee Awards [Member] \| Executive Long-Term Incentive Compensation Plan (the “ELTI Plan”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation		1.7		$ 1.1
February 23, 2016 [Member] \| RSU and PSU awards [Member] \| Executive Long-Term Incentive Compensation Plan (the “ELTI Plan”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested compensation expense		8.0
February 23, 2016 [Member] \| Other Awards [Member] \| Executive Long-Term Incentive Compensation Plan (the “ELTI Plan”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested compensation expense		$ 8.6
NEOs [Member] \| February 17, 2017 [Member] \| Restricted Stock Units (RSUs) [Member] \| Executive Long-Term Incentive Compensation Plan (the “ELTI Plan”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares	25,119
Share-based Compensation Arrangement by Share-based Payment Award, Performance period under adopted ELTI Plan \| service_period	3
NEOs [Member] \| February 17, 2017 [Member] \| Performance Share Units [Member] \| Executive Long-Term Incentive Compensation Plan (the “ELTI Plan”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares	28,467
Share-based Compensation Arrangement by Share-based Payment Award, Other Award	34 months
Grantees [Member] \| February 17, 2017 [Member] \| Restricted Stock Units (RSUs) [Member] \| Executive Long-Term Incentive Compensation Plan (the “ELTI Plan”) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares	61,530
Share-based Compensation Arrangement by Share-based Payment Award, Performance period under adopted ELTI Plan \| service_period	3