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Debt and Credit Arrangements - Debt and Credit Arrangements (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Short-term debt
Current portion of long-term debt	$ 3,354	$ 1,448
Short-term debt	12,050	10,490
Long-term debt
Total long-term debt	57,076	26,408
Total long-term debt, less current portion	53,722	24,960
Total debt	65,772	35,450
Thailand Bhat Denominated Secured Notes Short-term Debt at 4.35% [Member]
Short-term debt
Short-term debt	3,670	1,797
Thailand Bhat Denominated Secured Notes Short-term Debt at 4.08% [Member]
Short-term debt
Short-term debt	1,882	683
Brazil Real Denominated Secured Notes Short-term Debt at 2.83% [Member]
Short-term debt
Short-term debt	1,152	802
Brazil Real Denominated Secured Notes Short-term Debt at 5.40% [Member]
Short-term debt
Short-term debt	752	842
Brazil Real Denominated Secured Notes Short-term Debt at 9.40% [Member]
Short-term debt
Short-term debt	1,240	4,918
U.S. Dollar Denominated Current Portion of Long Term Debt at 2.71% [Member]
Short-term debt
Current portion of long-term debt	1,448	1,448
Austria Euro Denominated Current Portion of Long Term Debt at 2.32% [Member]
Short-term debt
Current portion of long-term debt	30	0
Indonesia U.S. Dollar Denominated Current Portion of Long Term Debt at 3.50% [Member]
Short-term debt
Current portion of long-term debt	800	0
New Zealand U.S. Dollar Denominated Current Portion of Long Term Debt at 3.90% [Member]
Short-term debt
Current portion of long-term debt	494	0
Austria Euro Denominated Current Portion of Long Term Debt at 1.40% [Member]
Short-term debt
Current portion of long-term debt	560	0
Austria Euro Denominated Current Portion of Long Term Debt at 3.00% [Member]
Short-term debt
Current portion of long-term debt	22	0
Australian Dollar Denominated Long Term Debt at 1.96% Due 2021 [Member]
Long-term debt
Total long-term debt	5,526	2,117
Brazilian Real Denominated Long-term Debt at 4.60%, due 2022 [Member]
Long-term debt
Total long-term debt	147	214
U.S. Dollar Denominated Long Term Debt at 2.89%, Due 2021 [Member]
Long-term debt
Total long-term debt	21,552	12,189
U.S. Dollar Denominated Long Term Debt at 2.71%, Due 2026 [Member]
Long-term debt
Total long-term debt	9,535	10,984
Poland Zloty Denominated Long Term Debt at 2.76% Due 2021 [Member]
Long-term debt
Total long-term debt	6,524	904
Austria Euro Denominated Long Term Debt at 2.32% Due 2030 [Member]
Long-term debt
Total long-term debt	224	0
Austria Euro Denominated Loan Long Term Debt at 1.40% Due 2020 [Member]
Long-term debt
Total long-term debt	560	0
Austria Euro Denominated Long Term Debt at 3.00% Due 2021 [Member]
Long-term debt
Total long-term debt	134	0
Indonesia U.S Dollar Denominated Long Term Debt at 3.50% Due 2024 [Member]
Long-term debt
Total long-term debt	7,467	0
New Zealand Dollar Denominated Long Term Debt at 3.90% Due 2021 [Member]
Long-term debt
Total long-term debt	$ 5,407	$ 0

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