Borrowings and Lines of Credit (Schedule of Weighted-Average Interest Rates) (Details)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Debt Disclosure [Abstract]
Short Term Debt Weighted Average Interest Rate, Avg Outstanding	2.00%	1.70%
Short Term Debt Weighted Average Interest Rate, Outstanding	0.60%	2.30%
Total Debt Weighted Average Interest Rate, Avg Outstanding	4.00%	3.60%
Total Debt Weighted Average Interest Rate, Outstanding	4.20%	3.60%