SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES - Amounts Used In Basic and Diluted Earnings Per Share (Detail) - shares shares in Thousands	7 Months Ended		12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	May 31, 2015
Earnings Per Share [Abstract]
Weighted-average number of basic shares outstanding (in shares)	20,852	20,593	29,849	28,095	20,780	20,500
Stock options, stock units and performance awards (in shares)	260		0	0		419
Conversion of non-controlling interest (in shares)	313		0	0		732
Convertible senior notes (in shares)	0		0	0		0
Total shares and dilutive securities (in shares)	21,425	21,907	29,849	28,095	21,378	21,651