SEGMENT INFORMATION - Schedule of Changes in Carrying Amount of Goodwill (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Goodwill [Roll Forward]
Balance at beginning of period	$ 349.8
Foreign currency translation adjustment	(8.7)
Balance at end of period	341.1
Workplace
Goodwill [Roll Forward]
Balance at beginning of period	100.7
Foreign currency translation adjustment	0.1
Balance at end of period	100.8
Lifestyle
Goodwill [Roll Forward]
Balance at beginning of period	249.1
Foreign currency translation adjustment	(8.8)
Balance at end of period	$ 240.3