Business Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014		Mar. 31, 2013
Segment Reporting Information [Line Items]
Total revenues	$ 147,406		$ 148,173
Gross profit	62,286		53,266
Operating expenses	60,120	[1]	55,481	[2]
Interest (expense) income, net	(989)		(2,165)
Other gain (loss), net	(86)		(545)
Earnings (loss) from continuing operations before income taxes	1,091		(4,925)
Restructuring expenses	1,892		2,016
Benefit due to reversal of accrued litigation reserve	0		6,584
Acquisition costs	0		161
Merchandise Availability Solutions
Segment Reporting Information [Line Items]
Total revenues	93,464		94,250
Gross profit	43,942		37,328
Apparel Labeling Solutions
Segment Reporting Information [Line Items]
Total revenues	42,081		40,833
Gross profit	14,085		10,996
Retail Merchandising Solutions
Segment Reporting Information [Line Items]
Total revenues	11,861		13,090
Gross profit	$ 4,259		$ 4,942

[1] Includes a $1.9 million restructuring charge.

[2] Includes a benefit of $6.6 million due to a litigation accrual reversal, a $2.0 million restructuring charge and a $0.2 million acquisition charge.