EARNINGS PER SHARE (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Earnings Per Share [Abstract]
Net (loss) income	$ (1.0)	$ 25.9
Less: income attributable to noncontrolling interest	0.2	0.2
(Loss) income attributable to Jones	(1.2)	25.7
Less: (loss) income allocated to participating securities	(0.2)	0.8
(Loss) income available to common stockholders of Jones	$ (1.0)	$ 24.9
Weighted-average shares outstanding - basic	76.1	82.2
Effect of dilutive employee restricted stock	0	1.2
Weighted-average shares outstanding - diluted	76.1	83.4
(Loss) earnings per common share attributable to Jones
Basic	$ (0.01)	$ 0.30
Diluted	$ (0.01)	$ 0.30