v3.4.0.3

Debt (Narrative) (Detail) $ in Millions	Nov. 24, 2014 USD ($)	Apr. 01, 2016 USD ($)	Jan. 01, 2016 USD ($)
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		4.75%
Debt Instrument, Face Amount	$ 400.0
Total debt		$ 674.9	$ 729.7
Long-term debt		539.6	611.4
Term Loan Repayments of Principal in Year Two		0.3
Term Loan Repayments of Principal in Year Three		0.2
Term Loan Repayments of Principal in Year Four		144.2
2014 Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Term	5 years
Uncommitted Facilities [Member]
Debt Instrument [Line Items]
Total debt		135.0	118.0
Revolving Credit Facility [Member] | 2014 Credit Facility [Member]
Debt Instrument [Line Items]
Total debt		144.0	216.0
Promissory Notes And Other Debt [Member]
Debt Instrument [Line Items]
Total debt		1.3	1.2
Long-term debt		1.0	0.9
Revolving Credit Facility [Member] | Uncommitted Facilities [Member]
Debt Instrument [Line Items]
Short-term Debt		$ 135.0	$ 118.0
Number Of Revolving Loan Facilities		2
Line of Credit Facility, Current Borrowing Capacity		$ 75.0
Short-term Debt, Weighted Average Interest Rate		1.37%	1.37%
Revolving Credit Facility [Member] | Unsecured Debt [Member] | 2014 Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity		$ 1,000.0
Total debt		$ 144.0	$ 216.0
Long-term Debt, Weighted Average Interest Rate		1.66%	1.46%
Revolving Credit Facility [Member] | Uncommitted Facility Two [Member]
Debt Instrument [Line Items]
Credit Facilities Aggregate Principal Amount		$ 75.0

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