SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES - Amounts Used In Basic and Diluted Earnings Per Share (Detail) - shares shares in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Earnings Per Share [Abstract]
Weighted-average number of basic shares outstanding (in shares)	30,031	29,849	28,095
Stock options, stock units and performance awards (in shares)	0	0	0
Convertible senior notes (in shares)	0	0	0
Total shares and dilutive securities (in shares)	30,031	29,849	28,095

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt using the treasury stock method.

No definition available.

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- References

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- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 28A
-URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1500-109256

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- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

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-SubTopic 10
-Section 50
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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
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