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Acquisitions - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 26, 2015 | Jun. 27, 2015 | Sep. 30, 2016 | Sep. 26, 2015
Business Acquisition [Line Items] |  |  |  |  |
Goodwill | $ 4,259.0 |  |  | $ 4,251.7 |
Payments to Acquire Businesses, Net of Cash Acquired | 0.9 |  | $ 96.0 | 0.0 | $ 1,913.0
Acquisitions/Divestitures | 43.2 |  |  |  |
Finite-lived Intangible Assets Acquired | 53.3 |  |  |  |
ERICO Global Company [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Goodwill | 1,061.9 |  |  | 1,031.0 |
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 |  |

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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + 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=66902209&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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