Maintenance and Warranty Accruals (Tables)

12 Months Ended

Aug. 31, 2018

Maintenance and Warranty Accruals

	As of August 31,
(In thousands)	2018			2017			2016
Accrued maintenance
Balance at beginning of period	$	17,667		$	18,646		$	18,642
Charged to cost of revenue		(389	)		10,609			12,926
Payments		(8,188	)		(11,588	)		(12,922	)
Balance at end of period	$	9,090		$	17,667		$	18,646
Accrued warranty
Balance at beginning of period	$	20,737		$	12,159		$	11,512
Charged to cost of revenue		12,323			6,872			6,069
Acquisition		–			3,526			–
Payments		(5,217	)		(2,649	)		(5,299	)
Currency translation effect		(448	)		829			(123	)
Balance at end of period	$	27,395		$	20,737		$	12,159