EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2019

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 millions):

	Years ended December 31,
	2019		2018		2017
Numerator:
Net earnings attributable to Knoll, Inc. stockholders	$	67.5	$	73.3	$	80.2
Denominator: (shares in thousands)
Denominator for basic earnings per shares - weighted-average shares	48,846		48,657		48,423
Effect of dilutive securities:
Potentially dilutive shares resulting from stock plans	611		561		737
Denominator for diluted earnings per share - weighted-average shares	49,457		49,218		49,160
Antidilutive equity awards not included in weighted-average common shares - diluted	—		20		—
Net earnings per share:
Basic	$	1.38	$	1.51	$	1.66
Diluted	$	1.36	$	1.49	$	1.63