Debt and Commitments (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Debt

Long-term debt and notes and overdrafts payable at December 31 consisted of:

	2017					2016
	Carrying Amount			Fair Value		Carrying Amount			Fair Value
Revolving credit agreement	$	421,500		$	424,818	$	363,300		$	364,775
3.97% Senior Notes	100,000			101,348		100,000			101,598
Borrowings under lines of credit and overdrafts	5,669			5,669		30,825			30,825
Capital leases	4,541			4,964		5,413			5,902
Other foreign bank borrowings	886			897		1,416			1,428
	532,596			537,696		500,954			504,528
Less current maturities	(6,999		)			(32,892		)
Long-term debt	$	525,597				$	468,062