Acquisitions - Additional Information (Detail) $ in Millions	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 29, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jul. 01, 2017 USD ($)	Jun. 29, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 29, 2018 USD ($)	Feb. 01, 2032 USD ($)
Business Acquisition [Line Items]
Net Sales	$ 3,761.3	$ 3,643.6		$ 7,094.9	$ 6,852.9
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	357.4	293.4		527.8	463.5
Goodwill	9,244.0			9,244.0		$ 8,956.7
Purchase price for acquisitions	(0.2)	$ 505.6		676.0	$ 506.8
Inventories, net	2,863.2			2,863.2		2,373.5
Business Combination, Contingent Consideration, Liability, Noncurrent	180.2			$ 180.2		169.2
Document Period End Date				Jun. 29, 2019
Industrial Segment
Business Acquisition [Line Items]
Goodwill	2,003.2			$ 2,003.2		1,679.7
Equipment Solution Attachments Group (IES) [Member]
Business Acquisition [Line Items]
Business Acquisition, Goodwill, Expected Tax Deductible Amount	2.4			2.4
Purchase price for acquisitions				653.0
Fair Value, Net Asset (Liability)	$ 342.4			342.4
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	14 years
Nelson Fasteners [Member]
Business Acquisition [Line Items]
Purchase price for acquisitions			$ 428.8
Fair Value, Net Asset (Liability)	$ 212.0			212.0
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Purchase price for acquisitions				24.6		105.1
Fair Value, Net Asset (Liability)	$ 10.8			$ 10.8		$ 38.1
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				10 years
Number of Businesses Acquired				2		6
Forecast [Member]
Business Acquisition [Line Items]
Business Combination, Contingent Consideration, Liability, Noncurrent							$ 134.5
Minimum [Member] | Nelson Fasteners [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	12 years
Minimum [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						10 years
Minimum [Member] | Forecast [Member]
Business Acquisition [Line Items]
Business Combination, Contingent Consideration Percent of Sales, Liability, Noncurrent							2.50%
Maximum [Member] | Nelson Fasteners [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years
Maximum [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						14 years
Maximum [Member] | Forecast [Member]
Business Acquisition [Line Items]
Business Combination, Contingent Consideration Percent of Sales, Liability, Noncurrent							3.50%
Goodwill [Member] | Equipment Solution Attachments Group (IES) [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	$ 310.6			$ 310.6
Goodwill [Member] | Nelson Fasteners [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	216.8			216.8
Goodwill [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	13.8			13.8		$ 67.0
Deferred Income Tax Charge [Member] | Equipment Solution Attachments Group (IES) [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities	87.1			87.1
intangible assets [Member] | Equipment Solution Attachments Group (IES) [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	328.0			328.0
intangible assets [Member] | Nelson Fasteners [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	167.0			167.0
intangible assets [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets						35.5
Customer Relationships [Member] | Equipment Solution Attachments Group (IES) [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	304.0			304.0
Customer Relationships [Member] | Nelson Fasteners [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	149.0			149.0
Customer Relationships [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	0.7			0.7		32.0
Equipment Solution Attachments Group (IES) [Member]
Business Acquisition [Line Items]
Fair Value, Net Asset (Liability)	81.7			81.7
Nelson Fasteners [Member]
Business Acquisition [Line Items]
Fair Value, Net Asset (Liability)	64.5			64.5
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Fair Value, Net Asset (Liability)	$ 5.3			$ 5.3		$ 13.4