Segment Information (Schedule Of Revenue And Long-Lived Assets) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Sales:	$ 787.7	$ 843.6	$ 861.5	$ 847.0	$ 775.8	$ 841.6	$ 887.1	$ 873.1	$ 3,339.8	$ 3,377.6	$ 3,835.5
Long lived assets:	607.7				583.5				607.7	583.5	596.7
UNITED STATES
Segment Reporting Information [Line Items]
Sales:									2,148.3	2,239.5	2,585.5
Long lived assets:	449.7				418.1				449.7	418.1	421.1
Europe
Segment Reporting Information [Line Items]
Sales:									415.2	421.8	505.6
Long lived assets:	86.6				88.5				86.6	88.5	90.0
CANADA
Segment Reporting Information [Line Items]
Sales:									258.4	241.3	277.4
Long lived assets:	7.2				6.9				7.2	6.9	12.8
Asia
Segment Reporting Information [Line Items]
Sales:									266.9	249.6	257.3
Long lived assets:	44.6				45.7				44.6	45.7	45.2
MEXICO
Segment Reporting Information [Line Items]
Sales:									233.7	209.7	178.4
Long lived assets:	18.5				19.4				18.5	19.4	19.7
South America
Segment Reporting Information [Line Items]
Sales:									17.3	15.7	31.3
Long lived assets:	$ 1.1				$ 4.9				$ 1.1	$ 4.9	$ 7.9