Segment Information (Schedule Of Net Sales And Assets By Geographic Region) (Details) - USD ($) $ in Millions	3 Months Ended									12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014		Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014		Dec. 31, 2013
Segment Reporting Information [Line Items]
Net sales	$ 680.6	$ 669.9	$ 711.2	$ 678.8	$ 730.7		$ 727.4	$ 750.1	$ 716.8	$ 2,740.5	$ 2,925.0		$ 2,595.3
Assets	3,341.6				3,450.8					3,341.6	3,450.8		3,559.6
Long-Lived Assets	1,856.6				1,906.0					1,856.6	1,906.0		1,901.4
U.S. [Member]
Segment Reporting Information [Line Items]
Net sales										1,698.6	1,719.4	[1]	1,523.0	[1]
Assets	1,648.3				1,612.9	[1]				1,648.3	1,612.9	[1]	1,692.8	[1]
Long-Lived Assets	642.0				596.8	[1]				642.0	596.8	[1]	657.3	[1]
Canada [Member]
Segment Reporting Information [Line Items]
Net sales										212.7	256.4	[1]	292.7	[1]
Assets	160.8				197.6	[1]				160.8	197.6	[1]	206.1	[1]
Long-Lived Assets	111.5				138.8	[1]				111.5	138.8	[1]	140.9	[1]
United Kingdom [Member]
Segment Reporting Information [Line Items]
Net sales										350.9	372.1	[1]	290.6	[1]
Europe [Member]
Segment Reporting Information [Line Items]
Net sales										282.2	365.1	[1]	343.8	[1]
Assets	599.2				662.2	[1]				599.2	662.2	[1]	756.0	[1]
Long-Lived Assets	335.7				363.9	[1]				335.7	363.9	[1]	418.5	[1]
Other International [Member]
Segment Reporting Information [Line Items]
Net sales										196.1	212.0	[1]	145.2	[1]
Assets	444.7				441.8	[1]				444.7	441.8	[1]	469.1	[1]
Long-Lived Assets	278.8				270.2	[1]				278.8	270.2	[1]	249.1	[1]
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Assets	488.6				536.3	[1]				488.6	536.3	[1]	435.6	[1]
Long-Lived Assets	$ 488.6				$ 536.3	[1]				$ 488.6	$ 536.3	[1]	$ 435.6	[1]

[1] Net sales and assets by geographic region are based on the location of the business unit.