Divestiture-Related Activities (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended	0 Months Ended
	Dec. 02, 2011	Apr. 01, 2012	Mar. 22, 2011 Marine Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income reflecting the reversal of a reserve		$ 900,000
Proceeds from sale of business	280,000,000		123,100,000
Discontinued operations	126,800,000		57,300,000
Cash proceeds from sale of business			101,600,000
Cash included as part of net assets sold			1,500,000
Subordinated promissory note			4,500,000
Liabilities assumed			15,500,000
Accumulated loss realized from pension and postretirement obligations			(8,400,000)
Cumulative translation gains			33,400,000
Accumulated other comprehensive income			$ 25,000,000