EQUITY AND NONCONTROLLING INTEREST - Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Mar. 30, 2019	Mar. 31, 2018
Numerator:
Income from continuing operations, net of income taxes	$ 55,688	$ 53,268
Loss from discontinued operations, net of income taxes	0	(23)
Less: Net income attributable to noncontrolling interests	555	614
Net income attributable to common shareholders	$ 55,133	$ 52,631
Denominator:
Weighted-average shares outstanding—Basic (in shares)	48,458	47,785
Effect of dilutive securities:
Stock options, restricted stock units, performance share units and restricted stock (in shares)	1,004	1,043
Weighted-average shares outstanding—Diluted (in shares)	49,462	48,828

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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.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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