Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 14.F)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Section 50
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
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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.

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-Publisher FASB
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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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- 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.

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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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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

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No definition available.

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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).

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

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

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No definition available.

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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Mar. 04, 2013	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Jul. 27, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants of ISO and non-qualified stock options (shares)				375,688
Selling, general and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation costs charged to operations		$ 1.6	$ 0.5	$ 2.1	$ 0.9
Amended Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in the maximum number of shares available under the Plan	210,000
New maximum number of shares available under the Plan	14,242,061
Number of shares reserved under the Plan		5,230,642		5,230,642
Maximum number of shares available for grant under the Plan		79,826		79,826
2015 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
New maximum number of shares available under the Plan						8,400,000
Maximum number of shares available for grant under the Plan		7,868,285		7,868,285
ISO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants of ISO and non-qualified stock options (shares)				110,042
NQO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants of ISO and non-qualified stock options (shares)				265,646
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (shares)		82,993		82,993
Fair value of awards granted				$ 2.1
Award vesting period				3 years
Restricted Stock Award (RSAs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (shares)		31,871		31,871
Award holding restriction period				3 years
Fair value of awards granted				$ 0.8