Restructuring - Expenses by Reportable Segment for Restructuring Plans (Detail) $ in Thousands	6 Months Ended
	Dec. 31, 2018 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring liability at June 30, 2018	$ 1,801
Restructuring and other charges	543
Cash paid	(2,070)
Reversals	(16)
Restructuring liability at December 31, 2018	258
Severance & Related
Restructuring Reserve [Roll Forward]
Restructuring liability at June 30, 2018	1,801
Restructuring and other charges	525
Cash paid	(2,068)
Reversals	0
Restructuring liability at December 31, 2018	258
Facilities & Other
Restructuring Reserve [Roll Forward]
Restructuring liability at June 30, 2018	0
Restructuring and other charges	18
Cash paid	(2)
Reversals	(16)
Restructuring liability at December 31, 2018	$ 0