Other Operating Charges (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 27, 2014	Jun. 28, 2013	Jun. 27, 2014	Jun. 28, 2013
Other Operating Costs [Line Items]
Unusual or infrequent item operating	$ 2,341,000	$ 1,126,000	$ 3,306,000	$ 3,900,000
Accrued Liabilities
Other Operating Costs [Line Items]
Supplemental unemployment benefits, severance benefits	700,000		700,000
Other operating charges
Other Operating Costs [Line Items]
Unusual or infrequent item operating	2,341,000	1,126,000	3,306,000	3,900,000
Other severance and nonrecurring costs		300,000		900,000
Other operating charges | North America
Other Operating Costs [Line Items]
Other severance and nonrecurring costs	1,000,000
Other operating charges | United States
Other Operating Costs [Line Items]
Other severance and nonrecurring costs	800,000		900,000
U.S. Residential Products | Other operating charges
Other Operating Costs [Line Items]
Unusual or infrequent item operating	400,000	33,000	508,000	157,000
U.S. Residential Products | Other operating charges | United States
Other Operating Costs [Line Items]
Other severance and nonrecurring costs	400,000		400,000
U.S. Commercial Products | Other operating charges
Other Operating Costs [Line Items]
Unusual or infrequent item operating	439,000	208,000	469,000	295,000
U.S. Commercial Products | Other operating charges | United States
Other Operating Costs [Line Items]
Other severance and nonrecurring costs	400,000		400,000
European Roll Coated Aluminum | Other operating charges
Other Operating Costs [Line Items]
Unusual or infrequent item operating	0	44,000	0	190,000
European Engineered Products | Other operating charges
Other Operating Costs [Line Items]
Unusual or infrequent item operating	647,000	834,000	1,070,000	3,044,000
Restructuring and related cost, incurred cost			1,100,000	1,400,000
European Engineered Products | Other operating charges | Fair Value, Inputs, Level 1
Other Operating Costs [Line Items]
Asset impairment charges			1,600,000
European Engineered Products | Other operating charges | France
Other Operating Costs [Line Items]
Other severance and nonrecurring costs	600,000		800,000
European Engineered Products | Other operating charges | U.K.
Other Operating Costs [Line Items]
Other severance and nonrecurring costs		800,000	300,000
European Engineered Products | Other operating charges | U.K. | Fair Value, Inputs, Level 1
Other Operating Costs [Line Items]
Asset impairment charges				1,600,000
Other Non-Allocated | Other operating charges
Other Operating Costs [Line Items]
Unusual or infrequent item operating	855,000	7,000	1,259,000	214,000
Other severance and nonrecurring costs	900,000		1,300,000
Other Non-Allocated | Other operating charges | United States
Other Operating Costs [Line Items]
Other severance and nonrecurring costs	$ 200,000		$ 200,000