Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Other assets at December 31, 2018 and 2017 consisted of the following (in thousands):



	2018		2017
Cash surrender value of life insurance	$	41,575	$	46,314
Investments in unconsolidated affiliates	3,760		3,557
Other	5,880		5,257
Total other assets	$	51,215	$	55,128

Schedule of Property, Plant and Equipment, Useful life

We estimate the useful lives and salvage values of our assets based on historical data as follows:



Buildings and leasehold improvements	3 - 40 years
Machinery and equipment	3 - 10 years

Schedule of Weighted Average Number of Shares

The following table summarizes the calculation of weighted average common shares outstanding used in the computation of diluted earnings per share for the years ended December 31, 2018, 2017 and 2016 (in thousands):



	2018	2017	2016
Weighted average basic common shares outstanding	44,206	44,153	43,479
Effect of dilutive securities:
Performance shares	221	69	127
Restricted stock	47	42	64
Weighted average diluted common and potential common shares outstanding	44,474	44,264	43,670