e components of inventories at March 31, 2018 and April 1, 2017 were as follows:



(In thousands)	2018		2017
Raw materials and purchased parts	$	52,591	$	41,383
Work-in-process	18,634		13,829
Finished goods	16,461		3,730
	$	87,686	$	58,942

In 2018, 2017 and 2016, the Company recorded charges to cost of sales for inventory write-offs associated with discontinued products of $8.2 million, $1.7 million and $1.4 million, respectively. The 2018 write-offs primarily relate to the restructuring which began in the fourth quarter of 2017 and continued into 2018. Additionally, in 2017, $0.9 million of inventory write-off was recorded for flood damaged inventory at the Company's Wuhan manufacturing facility.

See Note 22: Restructuring and Cost Management Plans for further discussion on discontinued product costs.