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.

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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- Definition

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

+ References

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Acquisitions - Additional Information (Detail) - USD ($) $ in Millions					3 Months Ended
	Jan. 31, 2018	Jul. 28, 2017	May 04, 2017	Jan. 30, 2017	Mar. 31, 2018	Apr. 01, 2017	Dec. 30, 2017
Business Acquisition [Line Items]
Goodwill					$ 941.4		$ 924.1
Cash purchase price of acquisition, net of cash acquired					3.0	$ 9.5
George A. Sturdevant, Inc. (d/b/a Fastorq)
Business Acquisition [Line Items]
Cash purchase price of acquisition	$ 3.0
Goodwill					2.6
Torque Control Specialist
Business Acquisition [Line Items]
Cash purchase price of acquisition		$ 3.6
Goodwill					2.3
Cash purchase price of acquisition, net of cash acquired		$ 3.5
Norbar
Business Acquisition [Line Items]
Cash purchase price of acquisition			$ 71.6
Goodwill					26.5
Cash purchase price of acquisition, net of cash acquired			$ 69.9
BTC
Business Acquisition [Line Items]
Goodwill					$ 5.9
Cash purchase price of acquisition, net of cash acquired				$ 9.2