Other Operating Charges (Details) (USD $)	3 Months Ended
	Mar. 29, 2013	Mar. 30, 2012
Component of Operating Other Cost and Expense [Line Items]
Unusual or infrequent item operating	$ 2,774,000	$ 842,000
Other Operating Expense
Component of Operating Other Cost and Expense [Line Items]
Unusual or infrequent item operating	2,774,000	842,000
Asset impairment charges	1,600,000
Other restructuring costs		842,000
Other severance and nonrecurring costs	600,000
U.S. Residential Products | Other Operating Expense
Component of Operating Other Cost and Expense [Line Items]
Unusual or infrequent item operating	124,000	5,000
U.S. Commercial Products | Other Operating Expense
Component of Operating Other Cost and Expense [Line Items]
Unusual or infrequent item operating	87,000	26,000
European Roll Coated Aluminum | Other Operating Expense
Component of Operating Other Cost and Expense [Line Items]
Unusual or infrequent item operating	146,000	484,000
European Engineered Products | Other Operating Expense
Component of Operating Other Cost and Expense [Line Items]
Unusual or infrequent item operating	2,210,000	77,000
Asset impairment charges	1,600,000
Other restructuring costs	600,000
Other Non Allocated | Other Operating Expense
Component of Operating Other Cost and Expense [Line Items]
Unusual or infrequent item operating	$ 207,000	$ 250,000