CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total Knoll, Inc. Stockholders' Equity	Noncontrolling Interests
Balance at Dec. 31, 2011	$ 158,630	$ 477	$ 23,631	$ 150,408	$ (15,886)	$ 158,630	$ 0
Increase (Decrease) in Stockholders' Equity
Net earnings	51,523			51,523		51,523	0
Other comprehensive loss	(10,892)	0	0	0	(10,892)	(10,892)	0
Shares issued for consideration:
Exercise of stock options	1,041	2	1,039	0	0	1,041	0
Income tax effect from the exercise of stock options and vesting of equity awards	(2,652)	0	(2,652)	0	0	(2,652)	0
Shares issued under stock incentive plan	3	3	0	0	0	3	0
Shares issued to Board of Directors in lieu of cash	50	0	50	0	0	50	0
Stock-based compensation	10,356	0	10,356	0	0	10,356	0
Cash dividend	(21,069)	0	0	(21,069)	0	(21,069)	0
Purchase of common stock	(4,676)	(3)	(4,673)	0	0	(4,676)	0
Balance at Dec. 31, 2012	182,314	479	27,751	180,862	(26,778)	182,314	0
Increase (Decrease) in Stockholders' Equity
Net earnings	23,184			23,184		23,184	0
Other comprehensive loss	31,915	0	0	0	31,915	31,915	0
Shares issued for consideration:
Exercise of stock options	3,979	3	3,976	0	0	3,979	0
Income tax effect from the exercise of stock options and vesting of equity awards	643	0	643	0	0	643	0
Shares issued under stock incentive plan	4	4	0	0	0	4	0
Shares issued to Board of Directors in lieu of cash	50	0	50	0	0	50	0
Stock-based compensation	10,473	0	10,473	0	0	10,473	0
Cash dividend	(23,097)	0	0	(23,097)	0	(23,097)	0
Purchase of common stock	(5,638)	(3)	(5,635)	0	0	(5,638)	0
Balance at Dec. 31, 2013	223,827	483	37,258	180,949	5,137	223,827	0
Increase (Decrease) in Stockholders' Equity
Noncontrolling interests acquired in acquisition	218	0	0	0	0	0	218
Net earnings	46,585			46,596		46,596	(11)
Other comprehensive loss	(37,819)				(37,819)	(37,819)	0
Shares issued for consideration:
Exercise of stock options	4,858	4	4,854			4,858	0
Income tax effect from the exercise of stock options and vesting of equity awards	(119)		(119)			(119)	0
Shares issued under stock incentive plan	6	6				6	0
Shares issued to Board of Directors in lieu of cash	56		56			56	0
Stock-based compensation	8,062		8,062			8,062	0
Cash dividend	(23,482)			(23,482)		(23,482)	0
Purchase of common stock	(8,974)	(6)	(8,968)			(8,974)	0
Balance at Dec. 31, 2014	$ 213,218	$ 487	$ 41,143	$ 204,063	$ (32,682)	$ 213,011	$ 207