Property, Plant, and Equipment, Net (Tables)

12 Months Ended

Sep. 30, 2018

Property, Plant, and Equipment, Net

Schedule of Property Plant and Equipment, Net

	September 30,		September 30,
	2018		2017
Land and land improvements	$	94,146	$	88,326
Buildings and building improvements		565,065		514,453
Leasehold improvements		17,954		16,142
Machinery and production equipment		668,986		543,641
Computer equipment and software		124,788		124,723
Office furniture and equipment		31,533		24,308
Other		19,366		19,393
Construction in progress		103,036		111,910
		1,624,874		1,442,896
Less accumulated depreciation		(564,869)		(520,853)
Property, plant, and equipment, net	$	1,060,005	$	922,043

Schedule of Depreciation Expense

	Year Ended September 30,
	2018		2017		2016
Depreciation expense	$	71,389	$	55,140	$	41,550

Schedule of Capitalized Interest

	Year Ended September 30,
	2018		2017		2016
Capitalized interest	$	2,187	$	2,008	$	5,455