Amount of contributions made by the employer to defined benefit plans.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

The amount of net gain (loss) recognized in net periodic benefit cost as a result of an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Glossary Plan Curtailment
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Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

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Pension and Other Postretirement Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 27, 2015	Jul. 02, 2016	Jun. 27, 2015
Defined Benefit Plan Disclosure [Line Items]
Curtailment losses	$ 7.7		$ 7.7
Pension plans, defined benefit
Defined Benefit Plan Disclosure [Line Items]
Employer's contribution towards defined benefit plan		$ 6.9
Minimum \| Pension plans, defined benefit
Defined Benefit Plan Disclosure [Line Items]
Estimated employer's contribution towards defined benefit plan in 2016		10.0
Maximum \| Pension plans, defined benefit
Defined Benefit Plan Disclosure [Line Items]
Estimated employer's contribution towards defined benefit plan in 2016		$ 15.0