Segment and Related Information, Sales By Region Category (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 256,600,000	$ 254,200,000	$ 256,800,000	$ 250,400,000	$ 243,100,000	$ 247,800,000	$ 251,400,000	$ 254,500,000	$ 1,018,181,000	$ 996,764,000	$ 1,032,933,000
Long-lived assets	372,700,000				386,600,000				372,700,000	386,600,000	386,200,000
Portion of consolidated net sales that no individual foreign country's sales exceed (in hundredths)									10.00%
Portion of consolidated long-lived assets that no individual foreign country's long-lived assets exceed (in hundredths)	10.00%								10.00%
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									563,500,000	562,500,000	557,500,000
Long-lived assets	235,200,000				235,800,000				235,200,000	235,800,000	239,800,000
Canada/Latin America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									70,300,000	72,500,000	74,300,000
Long-lived assets	12,100,000				14,500,000				12,100,000	14,500,000	14,600,000
Europe/Africa [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									269,200,000	248,200,000	286,400,000
Long-lived assets	64,900,000				69,000,000				64,900,000	69,000,000	72,000,000
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									115,200,000	113,600,000	114,700,000
Long-lived assets	60,500,000				67,300,000				60,500,000	67,300,000	59,800,000
Total International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									454,700,000	434,300,000	475,400,000
Long-lived assets	$ 137,500,000				$ 150,800,000				$ 137,500,000	$ 150,800,000	$ 146,400,000