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Dispositions - Narrative (Details) - Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations $ in Thousands, £ in Millions	Dec. 04, 2019 USD ($)	Sep. 03, 2019 USD ($)	Sep. 03, 2019 GBP (£)	Sep. 03, 2019 GBP (£)	Jan. 03, 2018 GBP (£)
Business Acquisition [Line Items]
Consideration for disposal group		$ 47,700
Note receivable received as consideration in sale of business | £				£ 6.9	£ 3.0
Proceeds from divestiture of business		$ 39,300
Maturity term of notes receivable		3 years	3 years
Gain realized on previously held equity investment | £			£ 1.6
Cooper Alloy
Business Acquisition [Line Items]
Consideration for disposal group	$ 4,000
Gain (loss) on disposition of business	$ 2,300
Ashtead Technology
Business Acquisition [Line Items]
Equity interest received in sale of business					40.00%

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- Definition

Disposal Group, Including Discontinued Operation, Consideration, Equity Ownership Interest

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Disposal Group, Including Discontinued Operation, Consideration, Note Receivable

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Notes Receivable, Maturity Term

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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- Definition

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684

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The profit or loss on sales of previously unissued stock by equity investees made to investors outside the consolidated group that is not reported as operating income. Represents the difference in the parent company's carrying amount of the equity interest in the subsidiary or equity investee immediately before and after the transaction.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585

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