Business Segment Information - Summarized Financial Information of Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Revenue from external customers	$ 1,363,392	$ 1,165,864
Net income	67,977	78,833
Domestic Operations
Segment Reporting Information [Line Items]
Revenue from external customers	1,324,773	1,126,523
Net income	64,211	75,449
International Operations
Segment Reporting Information [Line Items]
Revenue from external customers	38,619	39,341
Net income	$ 3,766	$ 3,384

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

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