Basis of Presentation - Schedule of Changes in Condensed Statements of Earnings (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Basis Of Presentation [Line Items]
Selling, general and administrative	$ 796.4	$ 801.7
Acquisition, integration and related	10.7	46.0
Quality remediation	$ 19.7	42.6
As Previously Reported [Member]
Basis Of Presentation [Line Items]
Selling, general and administrative		785.1
Acquisition, quality remediation and other		105.2
Reclassifications [Member]
Basis Of Presentation [Line Items]
Selling, general and administrative		16.6
Acquisition, integration and related		46.0
Quality remediation		42.6
Acquisition, quality remediation and other		$ (105.2)

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Name:	us-gaap_SellingGeneralAndAdministrativeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration