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STOCK-BASED COMPENSATION - Narrative (Detail) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jul. 02, 2015 | Sep. 30, 2015 | Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Grants in period, net of forfeitures |  |  | 166,751
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 |  | $ 2.6 | $ 2.6
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 |  | 18.9 | $ 18.9
Weighted-average period for cost recognition, in years |  |  | 2 years
Awards granted during period |  |  | 325,411
Performance shares |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Awards granted during period |  |  | 139,259
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
SeaSpine Inc. | Spinoff |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Incremental increase in stock based award expense after spinoff | $ 4.4 |  |
Allocated Share-based Compensation Expense |  | 3.0 |
Total unrecognized compensation costs |  | $ 1.4 | $ 1.4

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- Definition 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. + References 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) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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