Retirement and Other Employee Benefits - Amounts of AOCI Expected to be Amortized as a Component of Net Period Cost (Detail) $ in Millions	12 Months Ended
Dec. 30, 2016 USD ($)
US Pension Plans
Defined Benefit Plan Disclosure [Line Items]
2017 amortization of net losses	$ 0.4
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
2017 amortization of net losses	0.0
Post-retirement Plans \| Central America
Defined Benefit Plan Disclosure [Line Items]
2017 amortization of net losses	$ 0.9

Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation).

No definition available.

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