Summary Of Significant Accounting Polices (Effects Of Adjustment On Earnings (Loss) Per Share) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 23, 2012	Sep. 25, 2011	Sep. 23, 2012	Sep. 25, 2011
Basic loss attributable to Checkpoint Systems, Inc. per share	$ (0.13)	$ (1.2)	$ (2.7)	$ (1.17)
Earnings Per Share, Diluted	$ (0.13)	$ (1.2)	$ (2.7)	$ (1.17)
As Previously Reported [Member]
Basic loss attributable to Checkpoint Systems, Inc. per share		$ (1.21)		$ (1.21)
Earnings Per Share, Diluted		$ (1.21)		$ (1.21)
Canada Adjustments [Member]
Basic loss attributable to Checkpoint Systems, Inc. per share		$ 0.01		$ 0.04
Earnings Per Share, Diluted		$ 0.01		$ 0.04
As Revised For Revision Adjustments [Member]
Basic loss attributable to Checkpoint Systems, Inc. per share		$ (1.2)		$ (1.17)
Earnings Per Share, Diluted		$ (1.2)		$ (1.17)
Discontinued Operations Adjustments [Member]
Basic loss attributable to Checkpoint Systems, Inc. per share		$ 0		$ 0
Earnings Per Share, Diluted		$ 0		$ 0