FINANCIAL INFORMATION BY INDUSTRY SEGMENT, GEOGRAPHIC AREA AND PRODUCT LINE (Tables)

12 Months Ended

Sep. 30, 2018

FINANCIAL INFORMATION BY INDUSTRY SEGMENT, GEOGRAPHIC AREA AND PRODUCT LINE [Abstract]

Financial Information by Geographic Area

We operate predominantly in one industry segment – the development, manufacture, and sale of CMP consumables.  Revenues are attributed to the United States and foreign regions based upon the customer location and not the geographic location from which our products were shipped.  Financial information by geographic area was as follows:

	Year Ended September 30,
	2018		2017		2016
Revenue:
United States	$	79,019	$	72,670	$	62,400
Asia		471,215		394,874		336,312
Europe		39,889		39,635		31,737
Total	$	590,123	$	507,179	$	430,449
Property, plant and equipment, net:
United States	$	60,818	$	52,155	$	50,595
Asia		50,573		54,201		55,893
Europe		12		5		8
Total	$	111,403	$	106,361	$	106,496

Revenue by Major Foreign Customers

The following table shows revenue from sales to customers in foreign countries that accounted for more than ten percent of our total revenue in fiscal 2018, 2017 and 2016:

	Year Ended September 30,
	2018			2017			2016
Revenue:
South Korea		$	136,403		$	95,414		$	76,082
Taiwan			130,500			130,849			122,671
China			97,254			74,781			59,239

Long-Lived Assets by Major Customers

The following table shows net property, plant and equipment in foreign countries that accounted for more than ten percent of our total net property, plant and equipment in fiscal 2018, 2017 and 2016:

	Year Ended September 30,
	2018			2017			2016
Property, plant and equipment, net:
Japan		$	19,610		$	21,408		$	26,268
South Korea			16,857			16,915			11,135
Taiwan			13,592			15,119			17,949

Revenue Generated by Product Area

The following table shows revenue generated by product area in fiscal 2018, 2017 and 2016:

	Year Ended September 30,
	2018		2017		2016
Revenue:
Tungsten slurries	$	253,069	$	221,493	$	185,365
Dielectric slurries		139,577		120,240		99,141
Polishing Pads		83,117		68,673		52,067
Other Metals slurries		69,317		62,829		63,960
ESF and other		45,043		33,944		29,916
Total	$	590,123	$	507,179	$	430,449