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Financial Instruments - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 27, 2014 | Sep. 28, 2013 | Sep. 27, 2014 | Sep. 28, 2013 | Dec. 28, 2013
Investment Holdings [Line Items] |  |  |  |  |
Long-term debt related to interest rate swaps |  |  | $ 10.7 |  | $ 10.1
Foreign exchange gain (loss) | (1.0) | (0.9) | (1.1) | (3.4) |
Maximum maturity date of fair value hedge (in years) |  |  | 7 years |  |
Derivative gain expected to reclassify from Accumulated OCI into earnings, in the next 12 months, net of tax | 0.2 |  | 0.2 |  |
Fair Value Hedging [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Notional amount of interest rate swaps outstanding and designated as fair value hedges | 100.0 |  | 100.0 |  | 100.0
Equity forwards [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Equity forwards in place of common stock associated with its deferred compensation plans | 118,800 |  | 118,800 |  |
Not Designated as Hedging Instrument [Member] | Other Income (Expense) - Net [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Transaction gain (losses) on net exposures | 10.5 | (8.9) | 9.4 | (5.5) |
Foreign exchange gain (loss) | (1.0) | (0.9) | (1.1) | (3.4) |
Not Designated as Hedging Instrument [Member] | Equity forwards [Member] | Operating Expenses [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Derivative gain (losses) recognized | 0.6 | 1.3 | 1.9 | 2.4 |
Mark-to-market deferred compensation expense | 0.5 | 1.0 | 1.9 | 2.8 |
Not Designated as Hedging Instrument [Member] | Foreign currency forwards [Member] | Other Income (Expense) - Net [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Derivative gain (losses) recognized | (11.5) | 8.0 | (10.5) | 2.1 |
Foreign Currency Forward Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 205.1 |  | 205.1 |  | 197.1
Euros [Member] | Buy Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 97.7 |  | 97.7 |  | 89.1
Swedish Kronor [Member] | Buy Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 74.7 |  | 74.7 |  | 64.3
Australian Dollars [Member] | Buy Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 36.0 |  | 36.0 |  | 33.8
Chinese Yuan [Member] | Buy Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 6.0 |  | 6.0 |  |
South Korean Won [Member] | Buy Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 6.0 |  | 6.0 |  | 5.5
Singapore Dollars [Member] | Buy Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 5.6 |  | 5.6 |  | 12.7
British Pounds [Member] | Buy Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 5.5 |  | 5.5 |  | 26.2
Mexican Pesos [Member] | Buy Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 4.9 |  | 4.9 |  | 4.7
Hong Kong Dollars [Member] | Buy Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 3.2 |  | 3.2 |  | 7.8
Other Currencies [Member] | Buy Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 3.5 |  | 3.5 |  |
Other Currencies [Member] | Sell Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 5.7 |  | 5.7 |  | 4.4
Canadian Dollars [Member] | Sell Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 15.9 |  | 15.9 |  | 25.6
Japanese Yen [Member] | Sell Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding | 16.4 |  | 16.4 |  | 12.2
Danish Kroner [Member] | Sell Contracts [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Foreign currency forwards outstanding |  |  |  |  | 4.8
Treasury Locks [Member] |  |  |  |  |
Investment Holdings [Line Items] |  |  |  |  |
Treasury lock settled | 0 |  | 0 |  | 0
Treasury locks outstanding | $ 0 |  | $ 0 |  | $ 0

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- Definition Amount of expense recognized from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments), awarded to key employees or individuals. Excludes amount related to plans that cover generally all employees (for example, but not limited to, qualified pension plans). + References No definition available. + Details
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