v2.4.0.8

Derivative financial instruments and fair value measurements (Narrative) (Details) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended										3 Months Ended		9 Months Ended					3 Months Ended		9 Months Ended
	Sep. 28, 2013 USD ($)	Sep. 29, 2012 USD ($)	Sep. 28, 2013 USD ($)	Sep. 29, 2012 USD ($)	Sep. 28, 2013 Fair Value, Inputs, Level 2 [Member] USD ($)	Dec. 29, 2012 Fair Value, Inputs, Level 2 [Member] USD ($)	Oct. 31, 2013 Maximum [Member] Opta Minerals Inc [Member]	Sep. 28, 2013 Maximum [Member] Opta Minerals Inc [Member]	Sep. 28, 2013 Minimum [Member] Opta Minerals Inc [Member]	Sep. 28, 2013 Corn [Member] bu	Sep. 28, 2013 Soybean [Member] bu	Sep. 28, 2013 Cocoa [Member] lots	Sep. 28, 2013 Interest Rate Swap [Member] Opta Minerals Inc [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Sep. 29, 2012 Interest Rate Swap [Member] Opta Minerals Inc [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Sep. 28, 2013 Interest Rate Swap [Member] Opta Minerals Inc [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Sep. 29, 2012 Interest Rate Swap [Member] Opta Minerals Inc [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Sep. 28, 2013 Interest Rate Swap [Member] Opta Minerals Inc [Member] Fair Value, Inputs, Level 2 [Member] CAD	Sep. 28, 2013 Interest Rate Swap [Member] Maximum [Member] Opta Minerals Inc [Member] Fair Value, Inputs, Level 2 [Member]	Sep. 28, 2013 Interest Rate Swap [Member] Minimum [Member] Opta Minerals Inc [Member] Fair Value, Inputs, Level 2 [Member]	Sep. 28, 2013 Foreign Exchange Forward [Member] USD ($)	Sep. 29, 2012 Foreign Exchange Forward [Member] USD ($)	Sep. 28, 2013 Foreign Exchange Forward [Member] USD ($)	Sep. 29, 2012 Foreign Exchange Forward [Member] USD ($)	Sep. 28, 2013 Foreign Exchange Forward [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Sep. 28, 2013 Foreign Exchange Forward [Member] Fair Value, Inputs, Level 2 [Member] EUR (€)
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ (1,950)	$ 3,075	$ (2,892)	$ 1,178
Derivative, Nonmonetary Notional Amount												215
Inventories Carried At Market Unit										81,180	529,338
Derivative Maturity Dates													May 01, 2017
Derivative, Notional Amount																	43,150
Derivative, Fixed Interest Rate																		2.02%	1.85%
Debt Instrument, Basis Spread on Variable Rate							5.00%	3.50%	2.00%									3.50%	2.00%
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax, Portion Attributable to Parent													(90)	(51)	208	(241)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Portion Attributable to Parent													24	44	(54)	79
Notional Amount of Foreign Currency Derivative Purchase Contracts																								10	13,061
Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax																				(429)	(16)	(38)	453
Business Acquisition, Contingent Consideration, at Fair Value					0	0
Payments For Proceeds From Previous Acquisition	$ 0	$ 61	$ 1,074	$ 388

X

- Definition

Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract.

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Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Market value as at the balance sheet date of inventories less all valuation and other allowances. Excludes noncurrent inventory balances (expected to remain on hand past one year or one operating cycle, if longer).

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Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

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- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Fixed interest rate related to the interest rate derivative.

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The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

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Date the derivative contract matures, in CCYY-MM-DD format.

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Aggregate notional amount of foreign currency derivatives to purchase a foreign currency. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

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Before tax amount, net of reclassification adjustments, of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges, which is attributable to the parent entity. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount of net unrealized gain (loss) related to the change in fair value of foreign currency exchange rate derivatives designated as cash flow hedging instruments. Recorded in accumulated other comprehensive income to the extent that the cash flow hedge is determined to be effective.

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