Comprehensive Income, Accumulated Other Comprehensive Income, Net of Related Tax (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 29, 2014		Jun. 30, 2013	Jun. 29, 2014		Jun. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of year				$ (31.3)	[1]
Net current period other comprehensive income(loss)	4.5		(5.9)	7.4		(18.3)
Balance at end of year	(23.6)	[2]		(23.6)	[2]
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of year				17.1
Other comprehensive income (loss) before reclassifications				6.0
Amounts reclassified from AOCI				0
Net current period other comprehensive income(loss)				6.0
Balance at end of year	23.1			23.1
Pension Costs [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of year				(51.0)
Other comprehensive income (loss) before reclassifications				0
Amounts reclassified from AOCI				1.7
Net current period other comprehensive income(loss)				1.7
Balance at end of year	(49.3)			(49.3)
Net Gain on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of year				2.6
Other comprehensive income (loss) before reclassifications				0
Amounts reclassified from AOCI				0
Net current period other comprehensive income(loss)				0
Balance at end of year	2.6			2.6
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of year				(31.3)
Other comprehensive income (loss) before reclassifications				6.0
Amounts reclassified from AOCI				1.7
Net current period other comprehensive income(loss)				7.7
Balance at end of year	$ (23.6)			$ (23.6)

[1] Condensed from audited financial statements

[2] Unaudited