Segment Information - Financial Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Sales	$ 993,522	$ 807,019	$ 1,864,350	$ 1,598,738
Depreciation and amortization	4,351	2,443	8,289	4,340
Operating income	31,852	25,990	56,293	54,968
Capital expenditures	3,033	6,464	3,466	13,783
Operating Segments | United States
Segment Reporting Information [Line Items]
Sales	745,898	599,025	1,396,895	1,205,670
Operating Segments | International
Segment Reporting Information [Line Items]
Sales	257,880	219,951	486,778	415,880
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Depreciation and amortization	719	0	1,441	0
Operating income	(60)	(1,474)	(282)	(2,824)
Capital expenditures	0	6,074	56	13,304
Intersegment Eliminations
Segment Reporting Information [Line Items]
Sales	(10,256)	(11,957)	(19,323)	(22,812)
Worldwide Barcode & Security | Operating Segments
Segment Reporting Information [Line Items]
Sales	689,530	547,171	1,263,199	1,095,943
Depreciation and amortization	1,520	996	2,546	2,076
Operating income	19,000	13,269	32,814	26,807
Capital expenditures	1,657	91	1,780	177
Worldwide Communications & Services | Operating Segments
Segment Reporting Information [Line Items]
Sales	303,992	259,848	601,151	502,795
Depreciation and amortization	2,112	1,447	4,302	2,264
Operating income	12,912	14,195	23,761	30,985
Capital expenditures	$ 1,376	$ 299	$ 1,630	$ 302