SUPPLEMENTAL CONDENSED FINANCIAL INFORMATION (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011	Dec. 31, 2011	Dec. 31, 2010
CURRENT ASSETS:
Cash and cash equivalents	$ 277.1	$ 146.4	$ 277.1	$ 146.4
Accounts receivable	327.2	378.3	327.2	378.3	339.6
Inventories	467.5	523.2	467.5	523.2	491.1
Prepaid and refundable income taxes	1.4	11.5	1.4	11.5	11.9
Deferred taxes	27.7	26.2	27.7	26.2	26.4
Prepaid expenses and other current assets	59.1		59.1		47.7
Total current assets	1,160.0	1,129.9	1,160.0	1,129.9	1,155.5
Property, plant and equipment	271.4	270.2	271.4	270.2	271.4
Due from affiliates	0		0		0
Goodwill	256.3	258.9	256.3	258.9	255.3	161.8
Other intangibles	891.8	947.3	891.8	947.3	897.4
Deferred taxes	0		0		0
Investments in and loan to subsidiaries	38.4	43.6	38.4	43.6	35.6
Other assets	91.0	109.1	91.0	109.1	100.1
Total assets	2,708.9	2,759.0	2,708.9	2,759.0	2,715.3
CURRENT LIABILITIES:
Current portion of long-term debt and capital lease obligations	2.1	1.9	2.1	1.9	2.0
Current portion of acquisition consideration payable	216.7		216.7		194.1
Accounts payable	232.7	230.2	232.7	230.2	236.2
Income taxes payable	4.6	0.4	4.6	0.4	1.4
Accrued expenses and other current liabilities	135.1		135.1		146.3
Total current liabilities	591.2	398.0	591.2	398.0	580.0
Noncurrent liabilities:
Long-term debt	834.2	825.4	834.2	825.4	831.4
Obligations under capital leases	22.3	24.3	22.3	24.3	23.3
Income taxes payable	0.5	8.7	0.5	8.7	6.7
Deferred taxes	69.6	74.9	69.6	74.9	73.4
Acquisition consideration payable	4.8	206.7	4.8	206.7	17.7
Due to affiliates	0		0		0
Other	112.4	79.1	112.4	79.1	93.4
Total liabilities	1,635.0	1,617.1	1,635.0	1,617.1	1,625.9
EQUITY:
Common stock and additional paid-in capital	522.1		522.1		522.6
Retained earnings	579.8	611.3	579.8	611.3	596.2
Accumulated other comprehensive (loss) income	(28.3)	(9.9)	(28.3)	(9.9)	(29.6)
Total Jones stockholders' equity	1,073.6	1,141.7	1,073.6	1,141.7	1,089.2
Noncontrolling interest	0.3	0.2	0.3	0.2	0.2
Total equity	1,073.9	1,141.9	1,073.9	1,141.9	1,089.4	1,138.3
Total liabilities and equity	2,708.9	2,759.0	2,708.9	2,759.0	2,715.3
Condensed Consolidating Statements of Operations [Abstract]
Net sales	844.3	876.7	1,767.7	1,825.7
Licensing income	10.2	10.4	22.5	22.5
Other revenues	0.3	0.3	0.5	0.5
Total revenues	854.8	887.4	1,790.7	1,848.7
Cost of goods sold	528.6	564.3	1,121.1	1,194.9
Gross profit	326.2	323.1	669.6	653.8
Selling, general and administrative expenses	304.5	278.2	607.7	547.7
Segment income (loss)	21.7	44.9	61.9	106.1
Net interest expense (income) and financing costs	8.8	37.0	51.5	58.2
Equity in income of unconsolidated affiliate	0.4	0.7	1.3	2.0
(Loss) income before (benefit) provision for income taxes and equity in earnings of subsidiaries	13.3	8.6	11.7	49.9
(Benefit) provision for income taxes	4.9	3.2	4.3	18.7
Equity in earnings of subsidiaries	0	0	0	0
Net income	8.4	5.4	7.4	31.2
Less: income attributable to noncontrolling interest	0.3	0.2	0.5	0.4
Income attributable to Jones	8.1	5.2	6.9	30.8
Condensed Consolidating Statements of Other Comprehensive Income [Abstract]
Net income	8.4	5.4	7.4	31.2
Other comprehensive income (loss):
Change in fair value of cash flow hegdes, net of tax	0.2	(0.1)	0.1	(0.4)
Reclassification adjustment for hedge gains and losses included in net income, net of tax	0	0.2	0.1	0.3
Foreign currency translation adjustments	(8.2)	(4.6)	1.1	(1.4)
Total other comprehensive income	(8.0)	(4.5)	1.3	(1.5)
Comprehensive income	0.4	0.9	8.7	29.7
Condensed Consolidating Statements Of Cash Flows [Abstract]
Net cash provided by operating activities			124.0	65.6
Cash flows from investing activities:
Capital expenditures			(38.2)	(49.5)
Contingent consideration paid related to investment in GRI			(3.5)	0
Acquisition of KG Group Holdings Limited, net of cash acquired			0	(143.1)
Other			(0.1)	0
Net cash used in investing activities			(41.8)	(192.6)
Cash flows from financing activities:
Issuance of 6.875% Senior Notes due 2019			0	300.0
Debt issuance costs			0	(6.8)
Costs related to secured revolving credit agreement			(0.3)	(2.9)
Repayment of acquired debt of KG Group Holdings Limited			0	(174.1)
Dividends paid			(7.9)	(8.5)
Repurchase of of common shares			(29)	(28)
Payments of acquisition consideration payable			(7.5)	(6.2)
Other items, net			1.0	0.3
Net cash (used in) provided by financing activities			(43.7)	73.8
Effect of exchange rates on cash			(0.2)	(1.2)
Net increase (decrease) in cash and cash equivalents			38.3	(54.4)
CASH AND CASH EQUIVALENTS, BEGINNING			238.8	200.8
CASH AND CASH EQUIVALENTS, ENDING	277.1	146.4	277.1	146.4
Eliminations [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	0	0	0
Accounts receivable	0		0		0
Inventories	(1.3)		(1.3)		(0.3)
Prepaid and refundable income taxes	(19.3)		(19.3)		1.7
Deferred taxes	0		0		0
Prepaid expenses and other current assets	0		0		0
Total current assets	(20.6)		(20.6)		1.4
Property, plant and equipment	0		0		0
Due from affiliates	(288.3)		(288.3)		(1,604.4)
Goodwill	0		0		0
Other intangibles	0		0		0
Deferred taxes	(92.3)		(92.3)		(80.6)
Investments in and loan to subsidiaries	(1,713.9)		(1,713.9)		(3,047.9)
Other assets	0		0		0
Total assets	(2,115.1)		(2,115.1)		(4,731.5)
CURRENT LIABILITIES:
Current portion of long-term debt and capital lease obligations	0		0		0
Current portion of acquisition consideration payable	0		0		0
Accounts payable	0		0		0
Income taxes payable	(39.6)		(39.6)		(18.1)
Accrued expenses and other current liabilities	0		0		0
Total current liabilities	(39.6)		(39.6)		(18.1)
Noncurrent liabilities:
Long-term debt	0		0		0
Obligations under capital leases	0		0		0
Income taxes payable	0		0		0
Deferred taxes	(98.3)		(98.3)		(86.6)
Acquisition consideration payable	0		0		0
Due to affiliates	(288.3)		(288.3)		(1,604.4)
Other	0		0		0
Total liabilities	(426.2)		(426.2)		(1,709.1)
EQUITY:
Common stock and additional paid-in capital	(947.8)		(947.8)		(2,352.4)
Retained earnings	(748.4)		(748.4)		(680.2)
Accumulated other comprehensive (loss) income	7.3		7.3		10.2
Total Jones stockholders' equity	(1,688.9)		(1,688.9)		(3,022.4)
Noncontrolling interest	0		0		0
Total equity	(1,688.9)		(1,688.9)		(3,022.4)
Total liabilities and equity	(2,115.1)		(2,115.1)		(4,731.5)
Condensed Consolidating Statements of Operations [Abstract]
Net sales	(6.0)	(4.7)	(12.8)	(9.5)
Licensing income	0	0	0	0
Other revenues	0	0	0	0
Total revenues	(6.0)	(4.7)	(12.8)	(9.5)
Cost of goods sold	(3.8)	(2.2)	(7.5)	(3.7)
Gross profit	(2.2)	(2.5)	(5.3)	(5.8)
Selling, general and administrative expenses	(2.0)	(2.3)	(4.2)	(5.6)
Segment income (loss)	(0.2)	(0.2)	(1.1)	(0.2)
Net interest expense (income) and financing costs	0	0	0	0
Equity in income of unconsolidated affiliate	0	0	0	0
(Loss) income before (benefit) provision for income taxes and equity in earnings of subsidiaries	(0.2)	(0.2)	(1.1)	(0.2)
(Benefit) provision for income taxes	0	0	(0.4)	0
Equity in earnings of subsidiaries	(38.4)	(51.5)	(78.3)	(105.0)
Net income	(38.6)	(51.7)	(79.0)	(105.2)
Less: income attributable to noncontrolling interest	0	0	0	0
Income attributable to Jones	(38.6)	(51.7)	(79.0)	(105.2)
Condensed Consolidating Statements of Other Comprehensive Income [Abstract]
Net income	(38.6)	(51.7)	(79.0)	(105.2)
Other comprehensive income (loss):
Change in fair value of cash flow hegdes, net of tax	(0.2)	0.1	(0.1)	0.4
Reclassification adjustment for hedge gains and losses included in net income, net of tax	0	(0.2)	(0.1)	(0.3)
Foreign currency translation adjustments	8.2	4.6	(1.1)	1.4
Total other comprehensive income	8.0	4.5	(1.3)	1.5
Comprehensive income	(30.6)	(47.2)	(80.3)	(103.7)
Condensed Consolidating Statements Of Cash Flows [Abstract]
Net cash provided by operating activities			(5.9)	(13.5)
Cash flows from investing activities:
Capital expenditures			0	0
Contingent consideration paid related to investment in GRI			0	0
Acquisition of KG Group Holdings Limited, net of cash acquired			0	0
Other			0	0
Net cash used in investing activities			0	0
Cash flows from financing activities:
Issuance of 6.875% Senior Notes due 2019			0	0
Debt issuance costs			0	0
Costs related to secured revolving credit agreement			0	0
Repayment of acquired debt of KG Group Holdings Limited			0	0
Dividends paid			5.9	13.5
Repurchase of of common shares			0	0
Payments of acquisition consideration payable			0	0
Other items, net			0	0
Net cash (used in) provided by financing activities			5.9	13.5
Effect of exchange rates on cash			0	0
Net increase (decrease) in cash and cash equivalents			0	0
CASH AND CASH EQUIVALENTS, BEGINNING			0	0
CASH AND CASH EQUIVALENTS, ENDING	0	0	0	0
Issuers [Member]
CURRENT ASSETS:
Cash and cash equivalents	210.6	91.0	210.6	91.0
Accounts receivable	173.0		173.0		182.9
Inventories	258.7		258.7		270.5
Prepaid and refundable income taxes	16.8		16.8		5.3
Deferred taxes	14.5		14.5		13.2
Prepaid expenses and other current assets	37.5		37.5		21.5
Total current assets	711.1		711.1		689.2
Property, plant and equipment	60.0		60.0		64.9
Due from affiliates	0		0		0
Goodwill	46.7		46.7		46.7
Other intangibles	6.4		6.4		6.9
Deferred taxes	92.3		92.3		80.6
Investments in and loan to subsidiaries	1,713.9		1,713.9		3,047.9
Other assets	70.2		70.2		79.3
Total assets	2,700.6		2,700.6		4,015.5
CURRENT LIABILITIES:
Current portion of long-term debt and capital lease obligations	0		0		0
Current portion of acquisition consideration payable	216.7		216.7		192.7
Accounts payable	130.2		130.2		139.7
Income taxes payable	16.6		16.6		11.2
Accrued expenses and other current liabilities	71.3		71.3		79.0
Total current liabilities	434.8		434.8		422.6
Noncurrent liabilities:
Long-term debt	834.1		834.1		831.3
Obligations under capital leases	0		0		0
Income taxes payable	0.5		0.5		6.7
Deferred taxes	0		0		0
Acquisition consideration payable	4.8		4.8		17.7
Due to affiliates	288.3		288.3		1,604.4
Other	87.8		87.8		67.7
Total liabilities	1,650.3		1,650.3		2,950.4
EQUITY:
Common stock and additional paid-in capital	522.1		522.1		522.6
Retained earnings	556.5		556.5		572.1
Accumulated other comprehensive (loss) income	(28.3)		(28.3)		(29.6)
Total Jones stockholders' equity	1,050.3		1,050.3		1,065.1
Noncontrolling interest	0		0		0
Total equity	1,050.3		1,050.3		1,065.1
Total liabilities and equity	2,700.6		2,700.6		4,015.5
Condensed Consolidating Statements of Operations [Abstract]
Net sales	516.6	557.3	1,087.2	1,174.9
Licensing income	0	0.1	0	0.1
Other revenues	0.3	0.3	0.5	0.5
Total revenues	516.9	557.7	1,087.7	1,175.5
Cost of goods sold	333.8	356.3	711.1	764.5
Gross profit	183.1	201.4	376.6	411.0
Selling, general and administrative expenses	216.2	227.2	422.8	447.9
Segment income (loss)	(33.1)	(25.8)	(46.2)	(36.9)
Net interest expense (income) and financing costs	9.2	38.0	52.4	60.6
Equity in income of unconsolidated affiliate	0	0	0	0
(Loss) income before (benefit) provision for income taxes and equity in earnings of subsidiaries	(42.3)	(63.8)	(98.6)	(97.5)
(Benefit) provision for income taxes	(12.2)	(17.5)	(28.1)	(23.4)
Equity in earnings of subsidiaries	38.4	51.5	78.3	105.0
Net income	8.3	5.2	7.8	30.9
Less: income attributable to noncontrolling interest	0	0	0	0
Income attributable to Jones	8.3	5.2	7.8	30.9
Condensed Consolidating Statements of Other Comprehensive Income [Abstract]
Net income	8.3	5.2	7.8	30.9
Other comprehensive income (loss):
Change in fair value of cash flow hegdes, net of tax	0.2	(0.1)	0.1	(0.4)
Reclassification adjustment for hedge gains and losses included in net income, net of tax	0	0.2	0.1	0.3
Foreign currency translation adjustments	(8.2)	(4.6)	1.1	(1.4)
Total other comprehensive income	(8.0)	(4.5)	1.3	(1.5)
Comprehensive income	0.3	0.7	9.1	29.4
Condensed Consolidating Statements Of Cash Flows [Abstract]
Net cash provided by operating activities			58.7	21.3
Cash flows from investing activities:
Capital expenditures			(9.0)	(24.5)
Contingent consideration paid related to investment in GRI			0	0
Acquisition of KG Group Holdings Limited, net of cash acquired			0	(150.0)
Other			0	0
Net cash used in investing activities			(9.0)	(174.5)
Cash flows from financing activities:
Issuance of 6.875% Senior Notes due 2019			0	300.0
Debt issuance costs			0	(6.8)
Costs related to secured revolving credit agreement			(0.3)	(2.9)
Repayment of acquired debt of KG Group Holdings Limited			0	(174.1)
Dividends paid			(7.9)	(8.5)
Repurchase of of common shares			(29)	(28)
Payments of acquisition consideration payable			0	0
Other items, net			2.3	1.5
Net cash (used in) provided by financing activities			(34.9)	81.2
Effect of exchange rates on cash			0	0
Net increase (decrease) in cash and cash equivalents			14.8	(72.0)
CASH AND CASH EQUIVALENTS, BEGINNING			195.8	163.0
CASH AND CASH EQUIVALENTS, ENDING	210.6	91.0	210.6	91.0
Others [Member]
CURRENT ASSETS:
Cash and cash equivalents	66.5	55.4	66.5	55.4
Accounts receivable	154.2		154.2		156.7
Inventories	210.1		210.1		220.9
Prepaid and refundable income taxes	3.9		3.9		4.9
Deferred taxes	13.2		13.2		13.2
Prepaid expenses and other current assets	21.6		21.6		26.2
Total current assets	469.5		469.5		464.9
Property, plant and equipment	211.4		211.4		206.5
Due from affiliates	288.3		288.3		1,604.4
Goodwill	209.6		209.6		208.6
Other intangibles	885.4		885.4		890.5
Deferred taxes	0		0		0
Investments in and loan to subsidiaries	38.4		38.4		35.6
Other assets	20.8		20.8		20.8
Total assets	2,123.4		2,123.4		3,431.3
CURRENT LIABILITIES:
Current portion of long-term debt and capital lease obligations	2.1		2.1		2.0
Current portion of acquisition consideration payable	0		0		1.4
Accounts payable	102.5		102.5		96.5
Income taxes payable	27.6		27.6		8.3
Accrued expenses and other current liabilities	63.8		63.8		67.3
Total current liabilities	196.0		196.0		175.5
Noncurrent liabilities:
Long-term debt	0.1		0.1		0.1
Obligations under capital leases	22.3		22.3		23.3
Income taxes payable	0		0		0
Deferred taxes	167.9		167.9		160.0
Acquisition consideration payable	0		0		0
Due to affiliates	0		0		0
Other	24.6		24.6		25.7
Total liabilities	410.9		410.9		384.6
EQUITY:
Common stock and additional paid-in capital	947.8		947.8		2,352.4
Retained earnings	771.7		771.7		704.3
Accumulated other comprehensive (loss) income	(7.3)		(7.3)		(10.2)
Total Jones stockholders' equity	1,712.2		1,712.2		3,046.5
Noncontrolling interest	0.3		0.3		0.2
Total equity	1,712.5		1,712.5		3,046.7
Total liabilities and equity	2,123.4		2,123.4		3,431.3
Condensed Consolidating Statements of Operations [Abstract]
Net sales	333.7	324.1	693.3	660.3
Licensing income	10.2	10.3	22.5	22.4
Other revenues	0	0	0	0
Total revenues	343.9	334.4	715.8	682.7
Cost of goods sold	198.6	210.2	417.5	434.1
Gross profit	145.3	124.2	298.3	248.6
Selling, general and administrative expenses	90.3	53.3	189.1	105.4
Segment income (loss)	55.0	70.9	109.2	143.2
Net interest expense (income) and financing costs	(0.4)	(1.0)	(0.9)	(2.4)
Equity in income of unconsolidated affiliate	0.4	0.7	1.3	2.0
(Loss) income before (benefit) provision for income taxes and equity in earnings of subsidiaries	55.8	72.6	111.4	147.6
(Benefit) provision for income taxes	17.1	20.7	32.8	42.1
Equity in earnings of subsidiaries	0	0	0	0
Net income	38.7	51.9	78.6	105.5
Less: income attributable to noncontrolling interest	0.3	0.2	0.5	0.4
Income attributable to Jones	38.4	51.7	78.1	105.1
Condensed Consolidating Statements of Other Comprehensive Income [Abstract]
Net income	38.7	51.9	78.6	105.5
Other comprehensive income (loss):
Change in fair value of cash flow hegdes, net of tax	0.2	(0.1)	0.1	(0.4)
Reclassification adjustment for hedge gains and losses included in net income, net of tax	0	0.2	0.1	0.3
Foreign currency translation adjustments	(8.2)	(4.6)	1.1	(1.4)
Total other comprehensive income	(8.0)	(4.5)	1.3	(1.5)
Comprehensive income	30.7	47.4	79.9	104.0
Condensed Consolidating Statements Of Cash Flows [Abstract]
Net cash provided by operating activities			71.2	57.8
Cash flows from investing activities:
Capital expenditures			(29.2)	(25.0)
Contingent consideration paid related to investment in GRI			(3.5)	0
Acquisition of KG Group Holdings Limited, net of cash acquired			0	6.9
Other			(0.1)	0
Net cash used in investing activities			(32.8)	(18.1)
Cash flows from financing activities:
Issuance of 6.875% Senior Notes due 2019			0	0
Debt issuance costs			0	0
Costs related to secured revolving credit agreement			0	0
Repayment of acquired debt of KG Group Holdings Limited			0	0
Dividends paid			(5.9)	(13.5)
Repurchase of of common shares			0	0
Payments of acquisition consideration payable			(7.5)	(6.2)
Other items, net			(1.3)	(1.2)
Net cash (used in) provided by financing activities			(14.7)	(20.9)
Effect of exchange rates on cash			(0.2)	(1.2)
Net increase (decrease) in cash and cash equivalents			23.5	17.6
CASH AND CASH EQUIVALENTS, BEGINNING			43.0	37.8
CASH AND CASH EQUIVALENTS, ENDING	$ 66.5	$ 55.4	$ 66.5	$ 55.4