Pension and Post-Retirement Benefits - Components of Net Periodic Benefit Costs (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Dec. 31, 2011	Sep. 30, 2012 Pension Plans Revlon [Member]	Sep. 30, 2011 Pension Plans Revlon [Member]	Sep. 30, 2012 Pension Plans Revlon [Member]	Sep. 30, 2011 Pension Plans Revlon [Member]	Sep. 30, 2012 Other Post-Retirement Benefit Plans [Member]	Sep. 30, 2011 Other Post-Retirement Benefit Plans [Member]	Sep. 30, 2012 Other Post-Retirement Benefit Plans [Member]	Sep. 30, 2011 Other Post-Retirement Benefit Plans [Member]
Net periodic benefit costs:
Service cost		$ 0.4	$ 0.4	$ 1.2	$ 1.0
Interest cost		7.5	8.1	22.5	24.3	0.1	0.2	0.5	0.6
Expected return on plan assets		(8.8)	(8.7)	(26.4)	(26.2)
Amortization of actuarial loss		2.0	1.3	6.1	4.0	0.1		0.2	0.2
Net periodic benefit costs before portion allocated to Revlon Holdings LLC		1.1	1.1	3.4	3.1	0.2	0.2	0.7	0.8
Portion allocated to Revlon Holdings LLC			(0.1)	(0.1)	(0.1)
Net periodic benefit costs	$ 5.0	$ 1.1	$ 1.0	$ 3.3	$ 3.0	$ 0.2	$ 0.2	$ 0.7	$ 0.8