Subsidiary Guarantors of the Public Bonds (Consolidated Condensed Statements of Cash Flow) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 20, 2015	Jun. 14, 2014
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	$ 94.9	$ 65.6
INVESTING ACTIVITIES
Additions to property, plant and equipment	(15.8)	(12.5)
Investment in joint venture	0.0	(0.7)
Other	3.2	(1.6)
Net cash used in investing activities	(12.6)	(14.8)
FINANCING ACTIVITIES
Payments on long-term debt	(67.7)	(19.4)
Cash dividends paid	(12.3)	(12.0)
Purchase of common stock for treasury	(5.9)	0.0
Purchases of shares under employee stock plans	(7.5)	(9.4)
Proceeds from the exercise of stock options	8.5	3.8
Excess tax benefits from stock-based compensation	3.8	3.7
Net cash used in financing activities	(81.1)	(33.3)
Effect of foreign exchange rate changes	(4.3)	0.7
(Decrease) increase in cash and cash equivalents	(3.1)	18.2
Cash and cash equivalents at beginning of the year	223.8	214.2
Cash and cash equivalents at end of the period	220.7	232.4
Parent [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	136.1	47.8
INVESTING ACTIVITIES
Additions to property, plant and equipment	(7.6)	(3.5)
Other	1.5	(0.8)
Net cash used in investing activities	(6.1)	(4.3)
FINANCING ACTIVITIES
Payments on long-term debt	(67.7)	(19.4)
Cash dividends paid	(12.3)	(12.0)
Purchase of common stock for treasury	(5.9)
Purchases of shares under employee stock plans	(7.5)	(9.4)
Proceeds from the exercise of stock options	8.5	3.8
Excess tax benefits from stock-based compensation	3.8	3.7
Net cash used in financing activities	(81.1)	(33.3)
(Decrease) increase in cash and cash equivalents	48.9	10.2
Cash and cash equivalents at beginning of the year	11.4	18.8
Cash and cash equivalents at end of the period	60.3	29.0
Subsidiary Guarantors [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	3.6	(2.1)
INVESTING ACTIVITIES
Additions to property, plant and equipment	(6.3)	(7.9)
Other	1.7	(0.8)
Net cash used in investing activities	(4.6)	(8.7)
FINANCING ACTIVITIES
Purchase of common stock for treasury	0.0
(Decrease) increase in cash and cash equivalents	(1.0)	(10.8)
Cash and cash equivalents at beginning of the year	3.3	15.0
Cash and cash equivalents at end of the period	2.3	4.2
Non-Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	(44.8)	19.9
INVESTING ACTIVITIES
Additions to property, plant and equipment	(1.9)	(1.1)
Investment in joint venture		(0.7)
Net cash used in investing activities	(1.9)	(1.8)
FINANCING ACTIVITIES
Purchase of common stock for treasury	0.0
Effect of foreign exchange rate changes	(4.3)	0.7
(Decrease) increase in cash and cash equivalents	(51.0)	18.8
Cash and cash equivalents at beginning of the year	209.1	180.4
Cash and cash equivalents at end of the period	158.1	199.2
Eliminations [Member]
FINANCING ACTIVITIES
(Decrease) increase in cash and cash equivalents		0.0
Cash and cash equivalents at beginning of the year	0.0	0.0
Cash and cash equivalents at end of the period	$ 0.0	$ 0.0