Amount of liabilities assumed at the acquisition date related to pension liabilities.

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Nondeductible Goodwill and Intangible Assets

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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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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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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of assets acquired at the acquisition date.

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Amount of other assets expected to be realized or consumed before 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 long-term debt due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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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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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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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 cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

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Acquisitions and Dispositions - Acquisitions (Details) - USD ($) $ in Thousands	May 31, 2017	Apr. 26, 2016	Jul. 01, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Noncontrolling interests			$ 12,635	$ 37,753
Pexcor/Heatlink [Member]
Business Acquisition [Line Items]
Consideration transferred net of working capital adjustments	$ 18,500
Cash payment to acquire business	16,300
Maximum contingent consideration liability	2,200
Fair value of assets acquired	10,600
Fair value of inventories acquired	4,700
Fair value of accounts receivable acquired	2,900
Fair value of property, plant and equipment acquired	2,000
Fair value of other current assets acquired	500
Fair value of other assets acquired	500
Fair value of liabilities acquired	3,900
Fair value of accounts payable acquired	3,600
Fair value of other liabilities acquired	300
Allocation to non-deductible goodwill and intangible assets	$ 11,800
Jungwoo Metal Ind. Co., LTD [Member]
Business Acquisition [Line Items]
Fair value of assets acquired		$ 49,000
Fair value of inventories acquired		17,600
Fair value of accounts receivable acquired		5,600
Fair value of property, plant and equipment acquired		24,200
Fair value of other current assets acquired		1,400
Fair value of deferred tax assets acquired		200
Fair value of liabilities acquired		17,900
Fair value of accounts payable acquired		7,300
Fair value of other liabilities acquired		600
Allocation to non-deductible goodwill and intangible assets		$ 1,000
Ownership percentage		60.00%
Payments to acquire interest in joint venture		$ 20,500
Fair value of long-term debt acquired		8,700
Fair value of pension liabilities acquired		800
Fair value of other current liabilities acquired		500
Noncontrolling interests		$ 11,600