EARNINGS PER SHARE (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Apr. 06, 2013	Mar. 31, 2012
EARNINGS PER SHARE [Abstract]
Net income (loss)	$ 0.9	$ (1.0)
Less: income attributable to noncontrolling interest	0.4	0.2
Income (loss) attributable to Jones	0.5	(1.2)
Less: income (loss) allocated to participating securities	0	(0.2)
Income (loss) available to common stockholders of Jones	$ 0.5	$ (1.0)
Weighted-average shares outstanding - basic (in shares)	73.4	76.1
Effect of dilutive employee restricted stock (in shares)	2.5	0
Weighted-average shares outstanding - diluted (in shares)	75.9	76.1
Earnings (loss) per common share attributable to Jones
Basic (in dollars per share)	$ 0.01	$ (0.01)
Diluted (in dollars per share)	$ 0.01	$ (0.01)