Pre tax operating benefit expense recognized in operating expenses.

No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

Total costs related to goods produced and sold during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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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

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

+ References

No definition available.

+ Details

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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 ($)							12 Months Ended
	Jul. 28, 2017	May 04, 2017	Jan. 30, 2017	Nov. 16, 2016	Oct. 31, 2016	Jul. 27, 2015	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Business Acquisition [Line Items]
Cash purchase price of acquisition, net of cash acquired							$ 82,900,000	$ 160,400,000	$ 11,800,000
Goodwill							924,100,000	895,500,000	790,100,000
Operating expenses							1,160,900,000	$ 1,054,100,000	$ 1,053,700,000
Torque Control Specialists Pty Ltd [Member]
Business Acquisition [Line Items]
Cash purchase price of acquisition	$ 3,600,000
Cash purchase price of acquisition, net of cash acquired	$ 3,500,000
Goodwill							1,900,000
Norbar [Member]
Business Acquisition [Line Items]
Cash purchase price of acquisition		$ 71,600,000
Cash purchase price of acquisition, net of cash acquired		$ 69,900,000
Goodwill							23,700,000
BTC [Member]
Business Acquisition [Line Items]
Cash purchase price of acquisition, net of cash acquired			$ 9,200,000
Goodwill							5,900,000
Ryeson Corporation [Member]
Business Acquisition [Line Items]
Cash purchase price of acquisition				$ 13,000,000
Cash purchase price of acquisition, net of cash acquired				$ 12,600,000
Goodwill							5,000,000
Car-O-Liner Holding AB [Member]
Business Acquisition [Line Items]
Cash purchase price of acquisition					$ 152,000,000
Cash purchase price of acquisition, net of cash acquired					$ 148,100,000
Goodwill							77,300,000
Pretax benefit/expense							500,000
Cost of goods sold							200,000
Operating expenses							$ 300,000
Ecotechnics S.p.A [Member]
Business Acquisition [Line Items]
Cash purchase price of acquisition, net of cash acquired						$ 11,800,000