Segments and Geographic Information

12 Months Ended

May 31, 2018

Segment information

The Company considers its business to be a single segment entity related to the development, manufacture and sale on a global basis of medical devices for vascular access, surgery, peripheral vascular disease and oncology. The Company's chief operating decision maker (CEO) evaluates the various global product portfolios on a net sales basis. Executives reporting in to the CEO include those responsible for operations and supply chain management, research and development, sales, franchise marketing and certain corporate functions. The CEO evaluates profitability, investment and cash flow metrics on a consolidated worldwide basis due to shared infrastructure and resources.

Total sales by product category are summarized below (in thousands):



	Year ended May 31,
(in thousands)	2018		2017		2016
Net sales by Product Category
Peripheral Vascular	$	202,334	$	208,602	$	205,620
Vascular Access	92,760		96,481		99,375
Oncology/Surgery	49,191		44,560		48,895
Total	$	344,285	$	349,643	$	353,890

Geographic information

Total sales for geographic areas are summarized below (in thousands):



	Year ended May 31,
(in thousands)	2018		2017		2016
Net sales by Geography
United States	$	273,327	$	282,168	$	285,824
International	70,958		67,475		68,066
Total	$	344,285	$	349,643	$	353,890

For fiscal years 2018, 2017 and 2016, International sales as a percentage of total net sales were 21%, 19% and 19%, respectively. Sales to any one country outside the U.S., as determined by shipment destination, did not comprise a material portion of net sales in any of the last three fiscal years. In addition, no one customer represents more than 10% of consolidated net sales. 99% of long-lived assets are located within the United States.