EQUITY (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended |
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | |
Beginning Balance | | | $ 255,474 | |
Net earnings | | | 38,573 | |
Other comprehensive income | $ 1,430 | $ 1,500 | 5,344 | $ (10,117) |
Exercise of stock options (165,000 shares) | | | 2,072 | |
Income tax effect from the exercise of stock options and vesting of equity awards | | | 662 | |
Shares issued under stock incentive plan (297,632) | | | 0 | |
Shares issued to Board of Directors in lieu of cash (2,182 shares) | | | 50 | |
Stock-based compensation | | | 4,592 | |
Cash dividend ($0.30 per share) | | | (14,930) | |
Purchase of common stock (188,169 shares) | | | (3,903) | |
Ending Balance | 287,934 | | $ 287,934 | |
Exercise of stock options (in shares) | | | 165,000 | |
Shares issued to Board of Directors in lieu of cash (in shares) | | | 2,182 | |
Cash dividend (in dollars per share) | | | $ 0.30 | |
Purchase of common stock (in shares) | | | 188,169 | |
Common Stock | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | |
Beginning Balance | | | $ 488 | |
Exercise of stock options (165,000 shares) | | | 2 | |
Shares issued under stock incentive plan (297,632) | | | 3 | |
Purchase of common stock (188,169 shares) | | | (2) | |
Ending Balance | 491 | | $ 491 | |
Shares issued under stock incentive plan (in shares) | | | 297,632 | |
Additional Paid-In Capital | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | |
Beginning Balance | | | $ 47,165 | |
Exercise of stock options (165,000 shares) | | | 2,070 | |
Income tax effect from the exercise of stock options and vesting of equity awards | | | 662 | |
Shares issued under stock incentive plan (297,632) | | | (3) | |
Shares issued to Board of Directors in lieu of cash (2,182 shares) | | | 50 | |
Stock-based compensation | | | 4,592 | |
Purchase of common stock (188,169 shares) | | | (3,901) | |
Ending Balance | 50,635 | | 50,635 | |
Retained Earnings | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | |
Beginning Balance | | | 244,947 | |
Net earnings | | | 38,556 | |
Cash dividend ($0.30 per share) | | | (14,930) | |
Ending Balance | 268,573 | | 268,573 | |
Accumulated Other Comprehensive Income (Loss) | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | |
Beginning Balance | | | (37,318) | |
Other comprehensive income | | | 5,344 | |
Ending Balance | (31,974) | | (31,974) | |
Total Knoll, Inc. Stockholders' Equity | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | |
Beginning Balance | | | 255,282 | |
Net earnings | | | 38,556 | |
Other comprehensive income | | | 5,344 | |
Exercise of stock options (165,000 shares) | | | 2,072 | |
Income tax effect from the exercise of stock options and vesting of equity awards | | | 662 | |
Shares issued under stock incentive plan (297,632) | | | 0 | |
Shares issued to Board of Directors in lieu of cash (2,182 shares) | | | 50 | |
Stock-based compensation | | | 4,592 | |
Cash dividend ($0.30 per share) | | | (14,930) | |
Purchase of common stock (188,169 shares) | | | (3,903) | |
Ending Balance | 287,725 | | 287,725 | |
Noncontrolling Interests | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | |
Beginning Balance | | | 192 | |
Net earnings | | | 17 | |
Other comprehensive income | | | 0 | |
Exercise of stock options (165,000 shares) | | | 0 | |
Income tax effect from the exercise of stock options and vesting of equity awards | | | 0 | |
Shares issued under stock incentive plan (297,632) | | | 0 | |
Shares issued to Board of Directors in lieu of cash (2,182 shares) | | | 0 | |
Stock-based compensation | | | 0 | |
Cash dividend ($0.30 per share) | | | 0 | |
Purchase of common stock (188,169 shares) | | | 0 | |
Ending Balance | $ 209 | | $ 209 | |