Acquisitions & Divestitures - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Dec. 31, 2015	Sep. 26, 2015	Jun. 27, 2015	Jun. 30, 2016	Jun. 27, 2015
Business Acquisition [Line Items]
Goodwill	$ 5,255.4			$ 5,231.5
Payments to Acquire Businesses, Net of Cash Acquired	0.9		$ 96.0	0.0	$ 99.0
Acquisitions/Divestitures			43.2
Finite-lived Intangible Assets Acquired			53.3
ERICO Global Company [Member]
Business Acquisition [Line Items]
Goodwill	1,061.9			1,028.6
Indefinite-lived Intangible Assets Acquired				228.4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	1,033.8			1,033.8
Payments to Acquire Businesses, Net of Cash Acquired		$ 1,800.0
Finite-lived Intangible Assets Acquired				$ 805.4
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				21 years
Canada, Dollars
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	$ 1.2		$ 120.5