Segment Information (Financial Information by Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Sales	$ 682,998	$ 682,965	$ 2,155,520	$ 2,164,286
Depreciation and amortization	1,743	2,188	5,391	6,604
Operating Income	25,665	20,795	81,347	71,435
Capital expenditures	6,363	1,260	6,785	4,463
Worldwide Barcode & Security [Member]
Segment Reporting Information [Line Items]
Sales	455,822	438,191	1,382,672	1,383,453
Depreciation and amortization	1,024	1,415	3,159	4,274
Operating Income	13,820	10,413	38,734	36,326
Capital expenditures	204	181	507	324
North American Distribution [Member]
Segment Reporting Information [Line Items]
Sales	508,751	519,502	1,637,308	1,647,115
Worldwide Communications & Services [Member]
Segment Reporting Information [Line Items]
Sales	227,176	244,774	772,848	780,833
Depreciation and amortization	719	773	2,232	2,330
Operating Income	11,845	10,382	42,613	35,109
Capital expenditures	130	211	249	877
International Distribution [Member]
Segment Reporting Information [Line Items]
Sales	184,225	174,571	553,318	562,093
Corporate [Member]
Segment Reporting Information [Line Items]
Capital expenditures	6,029	868	6,029	3,262
Less intercompany sales [Member]
Segment Reporting Information [Line Items]
Sales	$ (9,978)	$ (11,108)	$ (35,106)	$ (44,922)