Business Combination - Norman Hay - Estimated Fair Values of Norman Hay Net Assets Acquired (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill	$ 607,205	$ 83,333	$ 86,034
Norman Hay [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	18,981
Accounts receivable, net	15,471
Inventories, net	8,213
Prepaid expenses and other assets	4,203
Propery, plant & equipment	14,981
Right of use lease assets	10,608
Intangible assets	51,088
Goodwill	29,384
Total Assets Purchased	152,929
Long-term debt included current portions	485
Accounts payable, accrued expenses and other accrued liabilities	13,488
Deferred tax liabilities	12,746
Long-term lease liabilities	8,594
Total Liabilities Assumed	35,313
Total consideration paid for Norman Hay	117,616
Estimated purchase price settlement	3,287
Cash Acquired	18,981
Net cash paid for Norman Hay	$ 95,348