Segment and Related Information (Operations by Geographic Area) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jul. 01, 2012	Apr. 01, 2012	Dec. 31, 2011	Oct. 02, 2011	Jul. 03, 2011	Apr. 03, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 244,200,000	$ 250,300,000	$ 254,000,000	$ 257,100,000	$ 251,700,000	$ 262,200,000	$ 268,400,000	$ 262,500,000	$ 1,005,619,000	$ 1,044,853,000	$ 1,002,354,000
Long-lived assets	386,600,000				386,200,000				386,600,000	386,200,000	404,100,000
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									562,500,000	557,500,000	534,300,000
Long-lived assets	235,800,000				239,800,000				235,800,000	239,800,000	239,900,000
Canada/Latin America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									72,500,000	74,300,000	68,900,000
Long-lived assets	14,500,000				14,600,000				14,500,000	14,600,000	14,900,000
Europe/Africa [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									257,000,000	298,400,000	288,400,000
Long-lived assets	69,000,000				72,000,000				69,000,000	72,000,000	89,900,000
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									113,600,000	114,700,000	110,800,000
Long-lived assets	67,300,000				59,800,000				67,300,000	59,800,000	59,400,000
Total International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									443,100,000	487,400,000	468,100,000
Long-lived assets	$ 150,800,000				$ 146,400,000				$ 150,800,000	$ 146,400,000	$ 164,200,000