Segment Information (Financial Information by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Sales	$ 1,011,241	$ 864,079	$ 1,955,054	$ 1,721,662
Depreciation and amortization	7,057	7,229	14,285	14,879
Operating income (loss)	39,432	31,498	74,319	61,826
Capital expenditures	(2,504)	(1,554)	(4,262)	(2,645)
Corporate
Segment Reporting Information [Line Items]
Depreciation and amortization	561	719	1,438	1,438
Operating income (loss)	0	53	0	(30)
Reportable Geographical Components \| United States and Canada
Segment Reporting Information [Line Items]
Sales	911,033	774,301	1,772,637	1,546,215
Reportable Geographical Components \| International
Segment Reporting Information [Line Items]
Sales	102,020	90,419	186,294	178,231
Geography Eliminations
Segment Reporting Information [Line Items]
Sales	(1,812)	(641)	(3,877)	(2,784)
Specialty Technology Solutions
Segment Reporting Information [Line Items]
Sales	627,548	496,920	1,203,878	998,630
Capital expenditures	(524)	(318)	(1,026)	(435)
Specialty Technology Solutions \| Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	2,758	2,897	5,462	5,867
Operating income (loss)	19,682	16,551	41,534	30,655
Modern Communications & Cloud
Segment Reporting Information [Line Items]
Sales	383,693	367,159	751,176	723,032
Capital expenditures	(1,980)	(1,236)	(3,236)	(2,210)
Modern Communications & Cloud \| Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	3,738	3,613	7,385	7,574
Operating income (loss)	$ 19,750	$ 14,894	$ 32,785	$ 31,201

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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