Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

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In a business combination achieved in stages, this element represents the amount of net gain (loss) recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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Amount of increase in lease obligation from new lease.

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The fair value of assets acquired in noncash investing or financing activities.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Value, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

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SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 03, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash Paid For:
Interest		$ 43,093	$ 38,450	$ 31,692
Income taxes			34	210
Non-Cash Activity:
Accounts payable for purchase of property, plant and equipment		14,504	14,585	15,636
Assets acquired by finance lease			835
Market value of common units issued under deferred compensation plans before tax withholding requirements		17,415	$ 6,142	$ 8,149
Acquisition of businesses
Fair value of assets assumed		629,475
Previously held equity-method investments		(307,322)
Cash paid, net of cash acquired		(320,232)
Fair value of liabilities assumed		1,921
Acquisition gain		$ 177,043
AllDale I and II
Acquisition of businesses
Previously held equity-method investments	$ (307,322)
Acquisition gain	$ 177,000