EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Schedule of Reconciliation of Basic to Dilutive Average Common Shares

The following table sets forth the reconciliation from basic to dilutive average common shares (in thousands):

	Years ended December 31,
	2018		2017		2016
Numerator:
Net earnings attributable to Knoll, Inc. stockholders	$	73,248	$	80,163	$	82,084
Denominator:
Denominator for basic earnings per shares - weighted-average shares	48,657		48,423		48,093
Effect of dilutive securities:
Potentially dilutive shares resulting from stock plans	561		737		826
Denominator for diluted earnings per share - weighted-average shares	49,218		49,160		48,919
Antidilutive equity awards not included in weighted-average common shares—diluted	20		—		—
Net earnings per common share attributable to Knoll, Inc. stockholders:
Basic	$	1.51	$	1.66	$	1.71
Diluted	$	1.49	$	1.63	$	1.68