Nature of Operations and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Inventory

Our inventories consisted of the following:

	December 31,
(DOLLARS IN THOUSANDS)	2017		2016
Raw materials	$	326,140	$	288,629
Work in process	16,431		13,792
Finished goods	306,877		289,596
Total	$	649,448	$	592,017

Reconciliation of Shares Used in Computations of Basic and Diluted Net Income Per Share

A reconciliation of shares used in the computations of basic and diluted net income per share is as follows:

	December 31,
(SHARES IN THOUSANDS)	2017	2016	2015
Basic	79,070	79,648	80,449
Assumed dilution under stock plans	300	333	442
Diluted	79,370	79,981	80,891