Financial Instruments - Effects of Derivative Financial Instruments on Consolidated Statements of Income (Detail) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Gain (Loss) Recognized in Income | $ (0.9) | $ 4.2 | $ (1.3) | $ 8.9 |
| Cash flow hedge [Member] | Cost of products sold [Member] | ||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Gain (Loss) Recognized in Income | (1.2) | 1.0 | (2.6) | 3.0 |
| Fair value hedge [Member] | Other (Income) expense, net [Member] | ||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Gain (Loss) Recognized in Income | $ 0.3 | $ 3.2 | $ 1.3 | $ 5.9 |