Fair Value Measurement (Tables)

3 Months Ended

Mar. 28, 2020

Fair Value Disclosures [Abstract]

Fair value measured on recurring basis

The fair value hierarchy has three levels based on the reliability of the inputs used to determine the fair value. 

			Fair Value Measurements at March 28, 2020 Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
(In thousands of dollars)	Total		(Level 1)		(Level 2)		(Level 3)
Assets:
Derivative instruments	$	5,712	$	—	$	5,712	$	—
Total Assets	$	5,712	$	—	$	5,712	$	—
Liabilities:
Derivative instruments	$	14,612	$	—	$	14,612	$	—
5.25% Senior notes	470,000		—		470,000		—
3.625% Senior notes	513,122		—		513,122		—
Term loan B	482,625		—		482,625		—
Revolver debt	146,799		—		146,799		—
Total Liabilities	$	1,627,158	$	—	$	1,627,158	$	—

			Fair Value Measurements at December 28, 2019 Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
(In thousands of dollars)	Total		(Level 1)		(Level 2)		(Level 3)
Assets:
Derivative instruments	$	4,140	$	—	$	4,140	$	—
Total Assets	$	4,140	$	—	$	4,140	$	—
Liabilities:
Derivative instruments	$	1,593	$	—	$	1,593	$	—
5.25% Senior notes	531,850		—		531,850		—
3.625% Senior notes	605,327		—		605,327		—
Term loan B	497,475		—		497,475		—
Revolver debt	38,805		—		38,805		—
Total Liabilities	$	1,675,050	$	—	$	1,675,050	$	—