Hedging Transactions and Derivative Financial Instruments (Tables)

12 Months Ended

Jan. 02, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Reconciliation of Company's Derivatives by Contract Type

A reconciliation of the Company’s derivatives by contract type is shown below:

(in millions of U.S. dollars) Derivative Contract	Assets		Liabilities
Foreign currency hedge	$	0.6	$	—
Aluminum swaps		—		8.0
	$	0.6	$	8.0

Summary of Fair Value of Aluminum Swap Assets and Liabilities

The fair value of the aluminum swap assets and liabilities which are shown on a net basis are reconciled in the table below:

	Assets		Liabilities
Aluminum swap assets	$	—	$	—
Aluminum swap liabilities		—		8.0
Net asset (liability)	$	—	$	8.0