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Business Segment Information - Summarized Financial Information of Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Revenue from external customers	$ 1,465,600	$ 1,264,958	$ 4,224,461	$ 3,612,463
Net income	80,577	68,145	227,749	215,574
Domestic Operations
Segment Reporting Information [Line Items]
Revenue from external customers	1,419,358	1,225,531	4,097,924	3,494,606
Net income	74,885	63,759	213,780	203,765
International Operations
Segment Reporting Information [Line Items]
Revenue from external customers	46,242	39,427	126,537	117,857
Net income	$ 5,692	$ 4,386	$ 13,969	$ 11,809

X

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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