Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
OPERATING ACTIVITIES
Net Earnings (Loss) Including Noncontrolling Interest	$ 16,066	$ (6,613)
Adjustments to reconcile Net Earnings (Loss) to Net Cash Provided by (Used in) Operating Activities:
Depreciation	16,340	11,043
Amortization of Intangible Assets	11,657	3,780
Amortization of Debt Issuance Costs	1,307	466
Debt Issuance Cost Charges Related to Short-Term Financing	0	6,200
Fair Value Step-Up Adjustment to Acquired Inventory	0	6,199
Deferred Income Taxes	(7,857)	(6,032)
Share-Based Compensation Expense	4,115	3,622
Allowance for Doubtful Accounts and Returns	940	697
Other, Net	280	64
Changes in Operating Assets and Liabilities, Net of Assets Acquired:
Receivables, Net	(6,832)	(6,016)
Inventories	(17,039)	(9,854)
Accounts Payable	9,827	6,190
Employee Compensation and Benefits	4,075	(8,262)
Other Current Liabilities	(3,772)	5,252
Income Taxes	(973)	(1,617)
Other Assets and Liabilities	(2,170)	(7,614)
Net Cash Provided by (Used in) Operating Activities	25,964	(2,495)
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(7,726)	(9,145)
Proceeds from Disposals of Property, Plant and Equipment	102	2,428
Proceeds from Principal Payments Received on Long-Term Note Receivable	706	0
Issuance of Long-Term Note Receivable	0	(1,500)
Acquisition of Businesses, Net of Cash Acquired	0	(353,535)
Purchase of Intangible Assets	(1,195)	(2,500)
Net Cash Used in Investing Activities	(8,113)	(364,252)
FINANCING ACTIVITIES
Proceeds from Short-Term Debt	0	300,000
Repayments of Short-Term Debt	0	(300,000)
Proceeds from Issuance of Long-term Debt	0	440,000
Payments of Long-term Debt	(18,133)	(58,471)
Payments of Debt Issuance Costs	0	(16,039)
Change in Capital Lease Obligations	59	0
Proceeds from Issuance of Common Stock	3,724	3,843
Dividends Paid	(7,553)	(7,463)
Net Cash (Used in) Provided by Financing Activities	(21,903)	361,870
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	(555)	875
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(4,607)	(4,002)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	59,051	58,550
Cash, Cash Equivalents and Restricted Cash at End of Period	54,444	54,548
Supplemental Disclosure of Cash Flow Information:
Cash Paid for Income Taxes	5,725	4,851
Cash Paid for Interest	10,230	2,463
Supplemental Non-cash Investing and Financing Activities:
Capital Expenditures in Accounts Payable	1,393	1,440
Debt Issuance Costs Incurred but not yet Paid	$ 0	$ 417