Supplemental Guarantor Condensed Financial Information (Condensed Statements Of Cash Flows) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Apr. 01, 2016
Schedule of Cash Flows [Line Items]
Net cash flows of operating activities	$ (88.8)	$ (40.6)
Cash flows of investing activities:
Capital expenditures	(35.2)	(14.3)
Proceeds from properties sold	0.3	0.2
Disposal of subsidiaries, net of cash disposed of	5.3	(0.1)
Other	0.0	0.0
Net cash flows of investing activities	(29.6)	(14.2)
Cash flows of financing activities:
Dividends paid to shareholders	(9.4)	(8.9)
Intercompany accounts	0.0	0.0
Proceeds from debt	731.7	389.9
Repayments of debt	(622.4)	(321.9)
Net cash flows of financing activities	99.9	59.1
Effect of exchange rate changes on cash and cash equivalents	0.8	3.6
Increase (decrease) in cash and cash equivalents	(17.7)	7.9
Cash and cash equivalents – beginning of period	101.1	112.4
Cash and cash equivalents – end of period	83.4	120.3
Eliminations [Member]
Schedule of Cash Flows [Line Items]
Net cash flows of operating activities	0.0	0.0
Cash flows of investing activities:
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
Other	0.0	0.0
Net cash flows of investing activities	0.0	0.0
Cash flows of financing activities:
Dividends paid to shareholders	0.0	0.0
Intercompany accounts	0.0	0.0
Proceeds from debt	0.0	0.0
Repayments of debt	0.0	0.0
Net cash flows of financing activities	0.0	0.0
Effect of exchange rate changes on cash and cash equivalents	0.0	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
Parent [Member]
Schedule of Cash Flows [Line Items]
Net cash flows of operating activities	(26.1)	(5.0)
Cash flows of investing activities:
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
Other	0.0	0.0
Net cash flows of investing activities	0.0	0.0
Cash flows of financing activities:
Dividends paid to shareholders	(9.4)	(8.9)
Intercompany accounts	35.5	13.9
Proceeds from debt	0.0	0.0
Repayments of debt	0.0	0.0
Net cash flows of financing activities	26.1	5.0
Effect of exchange rate changes on cash and cash equivalents	0.0	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
Guarantor Subsidiaries [Member]
Schedule of Cash Flows [Line Items]
Net cash flows of operating activities	(61.6)	2.6
Cash flows of investing activities:
Capital expenditures	(20.8)	(6.6)
Proceeds from properties sold	0.1	0.1
Disposal of subsidiaries, net of cash disposed of	5.3	0.0
Other	0.2	(1.3)
Net cash flows of investing activities	(15.2)	(7.8)
Cash flows of financing activities:
Dividends paid to shareholders	0.0	0.0
Intercompany accounts	(39.9)	(16.3)
Proceeds from debt	645.3	259.4
Repayments of debt	(527.5)	(241.0)
Net cash flows of financing activities	77.9	2.1
Effect of exchange rate changes on cash and cash equivalents	0.6	4.8
Increase (decrease) in cash and cash equivalents	1.7	1.7
Cash and cash equivalents – beginning of period	1.0	0.8
Cash and cash equivalents – end of period	2.7	2.5
Non-Guarantor Subsidiaries [Member]
Schedule of Cash Flows [Line Items]
Net cash flows of operating activities	(1.1)	(38.2)
Cash flows of investing activities:
Capital expenditures	(14.4)	(7.7)
Proceeds from properties sold	0.2	0.1
Disposal of subsidiaries, net of cash disposed of	0.0	(0.1)
Other	(0.2)	1.3
Net cash flows of investing activities	(14.4)	(6.4)
Cash flows of financing activities:
Dividends paid to shareholders	0.0	0.0
Intercompany accounts	4.4	2.4
Proceeds from debt	86.4	130.5
Repayments of debt	(94.9)	(80.9)
Net cash flows of financing activities	(4.1)	52.0
Effect of exchange rate changes on cash and cash equivalents	0.2	(1.2)
Increase (decrease) in cash and cash equivalents	(19.4)	6.2
Cash and cash equivalents – beginning of period	100.1	111.6
Cash and cash equivalents – end of period	$ 80.7	$ 117.8