Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Summary of 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
	March 31, 2017		December 30, 2016
Quoted prices in active markets for identical assets (Level 1)	$	—	$	—
Significant observable inputs (Level 2)	2.9		5.4
Significant unobservable inputs (Level 3)	—		—