Revision of Prior Period Financial Statements - Revisions to the Consolidated Statements of Cash Flows (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net earnings	$ 146.2	$ 719.2	$ 778.6
Deferred income tax provision	(164.0)	(90.5)	(126.2)
Changes in operating assets and liabilities, net of effect of acquisitions:
Income taxes payable	163.3	(50.4)	104.4
Inventories	(205.4)	(164.6)	(148.1)
Accounts payable and accrued expenses	(263.1)	108.4	33.6
Other assets and liabilities	$ (21.8)	114.4	(49.7)
As Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net earnings		719.0	759.2
Deferred income tax provision		(84.2)	(126.2)
Changes in operating assets and liabilities, net of effect of acquisitions:
Income taxes payable		(51.9)	96.8
Inventories		(154.1)	(128.4)
Accounts payable and accrued expenses		120.1	38.3
Other assets and liabilities		87.6	(47.1)
Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net earnings		0.2	19.4
Deferred income tax provision		(6.3)
Changes in operating assets and liabilities, net of effect of acquisitions:
Income taxes payable		1.5	7.6
Inventories		(10.5)	(19.7)
Accounts payable and accrued expenses		(11.7)	(4.7)
Other assets and liabilities		$ 26.8	$ (2.6)