Represents the portion of the purchase consideration deposited into an escrow account.

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Represents the portion of the consideration from escrow account to company.

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Represents the portion of the consideration from escrow account to sellers.

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The amount of capitalized software for internal use recognized as of the acquisition date.

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Amount of obligations incurred for services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Sum of the carrying values as of the acquisition date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including other costs not separately disclosed in the balance sheet that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered.

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Amount of liabilities incurred for goods and services received that are used in an entity's business obligations incurred and payables, assumed at the acquisition date.

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Percentage of sales included in operations from acquired entities.

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Represents the multiplier used to compute the value of shares given as consideration in an acquisition transaction. The percentage is applied to the share price to account for the factor that restricted shares has on the value of the shares issued.

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as noncurrent.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The number of restricted shares issued as compensation, net of shares for the payment of withholding taxes. This element is to be used only if shares are used in lieu of cash to satisfy all or a portion of withholding taxes.

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No definition available.

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BUSINESS ACQUISITIONS - LDI Holding Company LLC (Details) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Dec. 20, 2017	Dec. 19, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	May 08, 2017	Dec. 31, 2014
BUSINESS ACQUISITIONS
Percentage of acquired entities sales in consolidated net sales				2.00%	6.00%
Summary of the preliminary fair value determination of the acquired assets and liabilities
Definite-lived intangible assets						$ 7,730
Goodwill			$ 609,592	$ 832,624	$ 316,616		$ 256,318
LDI Holding Company LLC
BUSINESS ACQUISITIONS
Cash	$ 520,157
Restricted common shares	79,088
Total	$ 599,245
Restricted common shares (in shares)	4,113,188
Market price (in dollars per share)		$ 20.24
Market price multiplier to factor in restricted nature of the shares (as a percent)		95.00%
Purchase consideration deposited into an escrow account	$ 7,500
Released from escrow to the sellers			6,357
Released from escrow to the company			1,143
Acquisition-related costs charged to Selling, general, and administrative expenses			$ 794	$ 948
Summary of the preliminary fair value determination of the acquired assets and liabilities
Cash	780
Receivables	40,852
Inventories	2,857
Prepaid expenses and other current assets	750
Property and equipment	1,930
Capitalized software for internal use	1,325
Definite-lived intangible assets	201,523
Other noncurrent assets	148
Accounts payable	(16,409)
Rebates payable	(23,121)
Accrued expenses - compensation and benefits	(2,329)
Accrued expenses - other	(1,948)
Deferred income taxes	(31,434)
Total identifiable net assets	174,924
Goodwill	424,321
Total acquisition price	599,245
Customer relationships \| LDI Holding Company LLC
Summary of the preliminary fair value determination of the acquired assets and liabilities
Definite-lived intangible assets	$ 184,973
Definite-lived intangible assets
Useful Life	10 years
Trade names and trademarks \| LDI Holding Company LLC
Summary of the preliminary fair value determination of the acquired assets and liabilities
Definite-lived intangible assets	$ 16,550
Definite-lived intangible assets
Useful Life	4 years