Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010
Statement of Operations [Abstract]
Net sales	$ 1,030.1	$ 1,009.9	$ 2,855.9	$ 2,735.0
Licensing income	12.7	12.0	35.1	33.3
Other revenues	0.2	0.2	0.7	0.6
Total revenues	1,043.0	1,022.1	2,891.7	2,768.9
Cost of goods sold	671.1	679.5	1,866.1	1,782.9
Gross profit	371.9	342.6	1,025.6	986.0
Selling, general and administrative expenses	311.5	282.5	859.2	794.3
Operating income	60.4	60.1	166.4	191.7
Interest income	0.2	0.4	0.7	1.2
Interest expense and financing costs	0.9	14.6	59.5	41.7
Equity in income (loss) of unconsolidated affiliate	0.5	0.5	2.6	(1.3)
Income before provision for income taxes	60.2	46.4	110.2	149.9
Provision for income taxes	19.0	17.2	37.8	55.5
Net income	41.2	29.2	72.4	94.4
Less: income attributable to noncontrolling interest	0.2	0.1	0.6	0.5
Income attributable to Jones	$ 41.0	$ 29.1	$ 71.8	$ 93.9
Earnings per common share attributable to Jones
Basic	$ 0.50	$ 0.34	$ 0.86	$ 1.09
Diluted	$ 0.49	$ 0.34	$ 0.85	$ 1.09
Weighted average common share and share equivalents outstanding
Basic	78.6	82.2	80.8	82.1
Diluted	80.4	82.9	82.3	82.7
Dividends declared per share	$ 0.05	$ 0.05	$ 0.15	$ 0.15