Acquisitions - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Jun. 01, 2017	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill		$ 6,819,976	$ 1,129,783	$ 6,814,345
Sales		3,965,006	2,761,387
Profit before tax		303,586	306,605
Interest expense related to acquisition		91,547	25,695
North American Industrial Wood Coatings Business | Discontinued Operations
Business Acquisition [Line Items]
Divestiture proceeds	$ 431,000
Valspar Corporation
Business Acquisition [Line Items]
Acquisition purchase price (in dollars per share)	$ 113
Total purchase price, net of divestiture proceeds	$ 8,900,000
Finite-lived intangible assets	5,071,800
Goodwill	5,654,400
Sales		1,067,000
Profit before tax		80,700
Acquisition-related costs and purchase accounting amortization impacts		119,800
Acquisition transaction expenses			8,000
Interest expense related to acquisition		$ 68,600	5,000
Pro forma inventory step-up amortization			$ 54,900
Valspar Corporation | The Americas Group
Business Acquisition [Line Items]
Goodwill	2,300,000
Valspar Corporation | Performance Coatings Group
Business Acquisition [Line Items]
Goodwill	1,900,000
Valspar Corporation | Consumer Brands Group
Business Acquisition [Line Items]
Goodwill	$ 1,500,000
Valspar Corporation | Customer relationships and intellectual property and technology | Minimum
Business Acquisition [Line Items]
Weighted average amortization period	15 years
Valspar Corporation | Customer relationships and intellectual property and technology | Maximum
Business Acquisition [Line Items]
Weighted average amortization period	20 years
Valspar Corporation | Customer Relationships
Business Acquisition [Line Items]
Finite-lived intangible assets	$ 3,300,000
Valspar Corporation | Intellectual Property and Technology
Business Acquisition [Line Items]
Finite-lived intangible assets	$ 1,800,000