Fair Value Measurement (Tables)

3 Months Ended

Mar. 30, 2019

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 30, 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	$	5,922	$	—	$	5,922	$	—
Total Assets	$	5,922	$	—	$	5,922	$	—
Liabilities:
Derivative instruments	$	2,987	$	—	$	2,987	$	—
5.375% Senior notes	507,500		—		507,500		—
3.625% Senior notes	599,886		—		599,886		—
Term loan A	60,725		—		60,725		—
Term loan B	494,381		—		494,381		—
Revolver debt	49,310		—		49,310		—
Total Liabilities	$	1,714,789	$	—	$	1,714,789	$	—

			Fair Value Measurements at December 29, 2018 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	$	4,307	$	—	$	4,307	$	—
Total Assets	$	4,307	$	—	$	4,307	$	—
Liabilities:
Derivative instruments	$	3,235	$	—	$	3,235	$	—
5.375% Senior notes	495,000		—		495,000		—
3.625% Senior notes	585,303		—		585,303		—
Term loan A	67,739		—		67,739		—
Term loan B	492,525		—		492,525		—
Revolver debt	31,623		—		31,623		—
Total Liabilities	$	1,675,425	$	—	$	1,675,425	$	—