EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 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):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Numerator:
Net earnings attributable to Knoll, Inc. stockholders	$	20,323	$	19,132	$	48,706	$	47,470
Denominator:
Basic earnings per share - weighted-average shares	48,694		48,468		48,642		48,407
Effect of dilutive securities:
Potentially dilutive shares resulting from stock plans	537		511		548		761
Diluted earnings per share - weighted-average shares	49,231		48,979		49,190		49,168
Antidilutive equity awards not included in weighted-average common shares—diluted	1		34		—		15
Net earnings per common share attributable to Knoll, Inc. stockholders:
Basic	$	0.42	$	0.39	$	1.00	$	0.98
Diluted	$	0.41	$	0.39	$	0.99	$	0.96