STOCK-BASED COMPENSATION - Narrative (Detail) - Jun. 30, 2015 - USD ($) $ in Millions	Total
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period, net of forfeitures	77,347
Requisite service periods of awards, in years	3 years
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options exercisable, vesting period, in years	4 years
Total unrecognized compensation costs	$ 2.4
Weighted-average period for cost recognition, in years	2 years
Restricted stock awards/stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options exercisable, vesting period, in years	3 years
Total unrecognized compensation costs	$ 18.4
Weighted-average period for cost recognition, in years	2 years
Awards granted during period	146,300
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted during period	64,930
Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period, in years	8 years
Directors and certain executive officers \| Minimum \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period, in years	8 years
Directors and certain executive officers \| Maximum \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period, in years	10 years

Unrecognized cost of unvested share-based compensation awards.

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)

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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

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

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-Publisher FASB

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-Topic 718

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

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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