Rationalization Charges Activity in Rationalization Plan Reserves (Details II) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Restructuring Cost and Reserve [Line Items]
Rationalization charge, expected cash payments	$ 6,800,000		$ 6,800,000
Rationalization charges	933,000	158,000	2,284,000	3,761,000
Crystal City Texas and Sacramento California Metal Container Manufacturing Facilities [Member] | 2013 Rationalization Plans
Restructuring Cost and Reserve [Line Items]
Rationalization charge, expected cash payments	600,000		600,000
Expected number of employees terminated			40
Total estimated costs for rationalization of these facilities			1,600,000
Estimated plant exit costs			600,000
Non-cash write-down in carrying value of assets			100,000
Estimated employee severance and benefits cost			900,000
Employee severance and benefits cost			800,000
Plant exit costs			300,000
Expected non-cash write-down in carrying value of assets			100,000
Rationalization charges			1,200,000
Expected rationalization charges	$ 400,000		$ 400,000