Maintenance and Warranty Accruals (Tables)

12 Months Ended

Aug. 31, 2017

Maintenance and Warranty Accruals

	As of August 31,
(In thousands)	2017			2016			2015
Accrued maintenance
Balance at beginning of period	$	18,646		$	18,642		$	14,329
Charged to cost of revenue		10,609			12,926			13,622
Payments		(11,588	)		(12,922	)		(9,309	)
Balance at end of period	$	17,667		$	18,646		$	18,642
Accrued warranty
Balance at beginning of period	$	12,159		$	11,512		$	9,340
Charged to cost of revenue		6,872			6,069			7,206
Acquisition		3,526			–			–
Payments		(2,649	)		(5,299	)		(4,703	)
Currency translation effect		829			(123	)		(331	)
Balance at end of period	$	20,737		$	12,159		$	11,512