Fair Value Measurements (Tables)

9 Months Ended

Sep. 26, 2014

Fair Value Disclosures [Abstract]

Fair Values of Assets and Liabilities Measured on a Recurring Basis

The following table provides a summary of the fair values of assets and liabilities measured on a recurring basis under the ASC on “Fair Value Measurements and Disclosures” (U.S. dollars in millions):

	Fair Value Measurements
	Foreign currency forward contracts, net asset (liability)
	September 26, 2014		December 27, 2013
Quoted Prices in Active Markets for Identical Assets (Level 1)	$	—	$	—
Significant Observable Inputs (Level 2)	17.3		(3.3		)
Significant Unobservable Inputs (Level 3)	—		—

Fair Value Measurements, Nonrecurring [Table Text Block]

The following is a tabular presentation of the non-recurring fair value measurement along with the level within the fair value hierarchy in which the fair value measurement in its entirety falls (U.S. dollars in millions):

	Fair Value Measurements for the nine months ended September 26, 2014
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
United Kingdom contract termination on leased facility	$	1.2	$	—	$	—	$	1.2
	$	1.2	$	—	$	—	$	1.2