Supplemental Guarantor Condensed Financial Information (Condensed Statements Of Cash Flows) (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 01, 2016	Jul. 03, 2015	Dec. 31, 2015
Schedule of Cash Flows [Line Items]
Net cash flows of operating activities from continuing operations	$ 6.3	$ 128.8
Net cash flows of operating activities from discontinued operations	9.7	0.7
Net cash flows of operating activities	16.0	129.5
Capital expenditures	(32.1)	(30.3)
Proceeds from properties sold	0.6	0.3
Disposal of subsidiaries, net of cash disposed of	64.6	22.7
Intercompany accounts		0.0
Other	(0.2)	0.3
Net cash flows of investing activities from continuing operations	32.9	(7.0)
Net cash flows of investing activities from discontinued operations	(0.1)	(4.4)
Net cash flows of investing activities	32.8	(11.4)
Dividends paid to shareholders	(17.8)	(17.7)
Intercompany accounts	0.0	0.0
Proceeds from debt	753.0	1,839.8
Repayments of debt	(787.8)	(1,949.7)
Dividends paid to noncontrolling interest	(0.1)	(0.1)
Proceeds from exercise of stock options	0.0	0.2
Net cash flows of financing activities from continuing operations	(52.7)	(127.5)
Net cash flows of financing activities from discontinued operations	(1.8)	(3.4)
Net cash flows of financing activities	(54.5)	(130.9)
Effect of exchange rate changes on cash and cash equivalents	3.9	(38.2)
Cash held for sale	(4.7)	0.0
Increase (decrease) in cash and cash equivalents	(6.5)	(51.0)
Cash and cash equivalents – beginning of period	112.4	205.8
Cash and cash equivalents – end of period	105.9	154.8
Less cash and cash equivalents of discontinued operations	43.1	52.5
Cash and cash equivalents of continuing operations – end of period	62.8	102.3	$ 79.7
Eliminations [Member]
Schedule of Cash Flows [Line Items]
Net cash flows of operating activities from continuing operations	0.0	(6.9)
Net cash flows of operating activities from discontinued operations	0.0	0.0
Net cash flows of operating activities	0.0	(6.9)
Capital expenditures	0.0	0.0
Proceeds from properties sold	0.0	0.0
Disposal of subsidiaries, net of cash disposed of	0.0	0.0
Intercompany accounts		(7.8)
Other	0.0	0.0
Net cash flows of investing activities from continuing operations	0.0	(7.8)
Net cash flows of investing activities from discontinued operations	0.0	0.0
Net cash flows of investing activities	0.0	(7.8)
Dividends paid to shareholders	0.0	0.0
Intercompany accounts	0.0	14.7
Proceeds from debt	0.0	0.0
Repayments of debt	0.0	0.0
Dividends paid to noncontrolling interest	0.0	0.0
Proceeds from exercise of stock options		0.0
Net cash flows of financing activities from continuing operations	0.0	14.7
Net cash flows of financing activities from discontinued operations	0.0	0.0
Net cash flows of financing activities	0.0	14.7
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0
Cash held for sale	0.0
Increase (decrease) in cash and cash equivalents	0.0	0.0
Cash and cash equivalents – beginning of period	0.0	0.0
Cash and cash equivalents – end of period	0.0	0.0
Less cash and cash equivalents of discontinued operations	0.0	0.0
Cash and cash equivalents of continuing operations – end of period	0.0	0.0	0.0
Parent Company [Member]
Schedule of Cash Flows [Line Items]
Net cash flows of operating activities from continuing operations	2.8	3.2
Net cash flows of operating activities from discontinued operations	0.0	0.0
Net cash flows of operating activities	2.8	3.2
Capital expenditures	0.0	0.0
Proceeds from properties sold	0.0	0.0
Disposal of subsidiaries, net of cash disposed of	0.0	0.0
Intercompany accounts		0.0
Other	0.0	0.0
Net cash flows of investing activities from continuing operations	0.0	0.0
Net cash flows of investing activities from discontinued operations	0.0	0.0
Net cash flows of investing activities	0.0	0.0
Dividends paid to shareholders	(17.8)	(17.7)
Intercompany accounts	15.0	139.3
Proceeds from debt	0.0	0.0
Repayments of debt	0.0	(125.0)
Dividends paid to noncontrolling interest	0.0	0.0
Proceeds from exercise of stock options		0.2
Net cash flows of financing activities from continuing operations	(2.8)	(3.2)
Net cash flows of financing activities from discontinued operations	0.0	0.0
Net cash flows of financing activities	(2.8)	(3.2)
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0
Cash held for sale	0.0
Increase (decrease) in cash and cash equivalents	0.0	0.0
Cash and cash equivalents – beginning of period	0.0	0.0
Cash and cash equivalents – end of period	0.0	0.0
Less cash and cash equivalents of discontinued operations	0.0	0.0
Cash and cash equivalents of continuing operations – end of period	0.0	0.0	0.0
Guarantor Subsidiaries [Member]
Schedule of Cash Flows [Line Items]
Net cash flows of operating activities from continuing operations	23.9	142.1
Net cash flows of operating activities from discontinued operations	0.0	0.0
Net cash flows of operating activities	23.9	142.1
Capital expenditures	(15.2)	(11.6)
Proceeds from properties sold	0.4	0.1
Disposal of subsidiaries, net of cash disposed of	63.7	0.0
Intercompany accounts		7.8
Other	(0.9)	(0.1)
Net cash flows of investing activities from continuing operations	48.0	(3.8)
Net cash flows of investing activities from discontinued operations	0.0	0.0
Net cash flows of investing activities	48.0	(3.8)
Dividends paid to shareholders	0.0	0.0
Intercompany accounts	(19.5)	(154.3)
Proceeds from debt	505.6	1,358.1
Repayments of debt	(562.2)	(1,314.7)
Dividends paid to noncontrolling interest	0.0	0.0
Proceeds from exercise of stock options		0.0
Net cash flows of financing activities from continuing operations	(76.1)	(110.9)
Net cash flows of financing activities from discontinued operations	0.0	0.0
Net cash flows of financing activities	(76.1)	(110.9)
Effect of exchange rate changes on cash and cash equivalents	4.9	(24.4)
Cash held for sale	0.0
Increase (decrease) in cash and cash equivalents	0.7	3.0
Cash and cash equivalents – beginning of period	0.8	1.2
Cash and cash equivalents – end of period	1.5	4.2
Less cash and cash equivalents of discontinued operations	0.0	0.0
Cash and cash equivalents of continuing operations – end of period	1.5	4.2	0.8
Non-Guarantor Subsidiaries [Member]
Schedule of Cash Flows [Line Items]
Net cash flows of operating activities from continuing operations	(20.4)	(9.6)
Net cash flows of operating activities from discontinued operations	9.7	0.7
Net cash flows of operating activities	(10.7)	(8.9)
Capital expenditures	(16.9)	(18.7)
Proceeds from properties sold	0.2	0.2
Disposal of subsidiaries, net of cash disposed of	0.9	22.7
Intercompany accounts		0.0
Other	0.7	0.4
Net cash flows of investing activities from continuing operations	(15.1)	4.6
Net cash flows of investing activities from discontinued operations	(0.1)	(4.4)
Net cash flows of investing activities	(15.2)	0.2
Dividends paid to shareholders	0.0	0.0
Intercompany accounts	4.5	0.3
Proceeds from debt	247.4	481.7
Repayments of debt	(225.6)	(510.0)
Dividends paid to noncontrolling interest	(0.1)	(0.1)
Proceeds from exercise of stock options		0.0
Net cash flows of financing activities from continuing operations	26.2	(28.1)
Net cash flows of financing activities from discontinued operations	(1.8)	(3.4)
Net cash flows of financing activities	24.4	(31.5)
Effect of exchange rate changes on cash and cash equivalents	(1.0)	(13.8)
Cash held for sale	(4.7)
Increase (decrease) in cash and cash equivalents	(7.2)	(54.0)
Cash and cash equivalents – beginning of period	111.6	204.6
Cash and cash equivalents – end of period	104.4	150.6
Less cash and cash equivalents of discontinued operations	43.1	52.5
Cash and cash equivalents of continuing operations – end of period	$ 61.3	$ 98.1	$ 78.9