Business Segments And Geographic Information (Business Segments) (Details) (USD $)	0 Months Ended	3 Months Ended									12 Months Ended				84 Months Ended	0 Months Ended
	Jun. 24, 2013	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 25, 2011	Dec. 28, 2014 segment	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011	Dec. 25, 2011	Nov. 15, 2012
Segment Reporting [Abstract]
Number of reportable segments											3
Segment Reporting Information [Line Items]
Net revenues		$ 183,114,000	$ 160,595,000	$ 170,925,000	$ 147,406,000	$ 194,387,000	$ 174,888,000	$ 172,290,000	$ 148,173,000		$ 662,040,000	$ 689,738,000	$ 689,920,000
Gross profit		79,326,000	70,965,000	72,507,000	62,286,000	75,402,000	70,532,000	69,891,000	53,266,000		285,084,000	269,091,000	269,836,000
Operating expenses											246,351,000	245,815,000	390,337,000
Interest expense											(3,457,000)	(17,440,000)	(10,783,000)
Other gain (loss), net											(1,102,000)	(3,936,000)	(1,731,000)
Earnings (loss) from continuing operations before income taxes											34,174,000	1,900,000	(133,015,000)
Total assets		738,666,000				799,493,000					738,666,000	799,493,000
Restructuring expense											6,654,000	10,866,000	28,438,000
Litigation settlement									6,600,000	(900,000)	(1,600,000)	6,584,000	(295,000)
Asset impairment											864,000	4,820,000	0
Acquisition costs											364,000	960,000	332,000
CFO transition charge								1,200,000				1,200,000
Gain (Loss) on Sale of Stock in Subsidiary	200,000							200,000			0	248,000	1,657,000
Goodwill impairment											0	0	102,715,000
CEO transition charge													2,900,000
Charges related to improper and fraudulent Canadian activities											0	0	(3,907,000)	(200,000)	4,100,000
Shore To Shore Pvt Ltd Sri Lanka
Segment Reporting Information [Line Items]
Gain (Loss) on Sale of Stock in Subsidiary																1,700,000
Product Concentration Risk | Sales Revenue, Product Line
Segment Reporting Information [Line Items]
Concentration risk, percentage											10.00%	10.00%	10.00%
Merchandise Availability Solutions
Segment Reporting Information [Line Items]
Net revenues											438,847,000	456,101,000	446,798,000
Gross profit											207,113,000	195,568,000	197,308,000
Total assets		500,795,000				550,801,000					500,795,000	550,801,000
Merchandise Availability Solutions | Electronic Article Surveillance (EAS) Systems
Segment Reporting Information [Line Items]
Net revenues											179,000,000	192,900,000	194,900,000
Merchandise Availability Solutions | Alpha Business
Segment Reporting Information [Line Items]
Net revenues											125,300,000	128,100,000	121,400,000
Merchandise Availability Solutions | Electronic Article Surveillance (EAS) Consumables
Segment Reporting Information [Line Items]
Net revenues											107,800,000	102,300,000	95,900,000
Apparel Labeling Solutions
Segment Reporting Information [Line Items]
Net revenues											174,287,000	182,259,000	187,419,000
Gross profit											60,179,000	54,672,000	47,050,000
Total assets		175,411,000				174,797,000					175,411,000	174,797,000
Retail Merchandising Solutions
Segment Reporting Information [Line Items]
Net revenues											48,906,000	51,378,000	55,703,000
Gross profit											17,792,000	18,851,000	25,478,000
Total assets		$ 62,460,000				$ 73,895,000					$ 62,460,000	$ 73,895,000