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Pension Plans - Narrative (Detail) $ in Millions	9 Months Ended
	Sep. 29, 2018 USD ($)
Foreign Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Expected future employer contributions	$ 9.7
United States
Defined Benefit Plan Disclosure [Line Items]
Expected future employer contributions	2.4
Cash contributions made	51.3
Discretionary contribution	50.0
Required contribution	$ 1.3

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- Definition

Defined benefit plan contributions by employer, required by law.

+ References

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

+ References

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+ References

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- Definition

Amount of contributions expected to be received by defined benefit plan from employer in fiscal year. Excludes contributions paid by employer in current fiscal year.

+ References

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

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