Summary Of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2020

Summary Of Significant Accounting Policies [Abstract]

Net Income Per Common Share

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Weighted average common shares and equivalents
outstanding:
Basic weighted average common
shares outstanding		174,493		174,253		174,470		174,215
Net effect of dilutive stock options -
based on treasury stock method		82		289		126		244
Diluted weighted average common
shares outstanding		174,575		174,542		174,596		174,459