CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Revenue from Contract with Customer, Excluding Assessed Tax		$ 471,977	$ 761,004	$ 1,149,436	$ 1,447,806
Cost of sales		318,851	474,525	746,120	904,015
Gross profit		153,126	286,479	403,316	543,791
Selling, General and Administrative Expense		111,824	144,631	255,766	300,540
Restructuring Charges		2,184	2,241	3,018	2,583
Income from operations	[1],[2]	39,118	139,607	144,532	240,668
Net interest expense and deferred financing amortization, net		21,750	21,968	37,463	42,488
Net Periodic Benefit Cost, Other Components		(9,766)	(7,297)	(19,855)	(15,058)
Other (income) expense, net		382	(520)	3,708	(1,933)
Earnings before income taxes		26,752	125,456	123,216	215,171
Provision for income taxes		5,590	33,246	28,275	53,948
Net earnings		$ 21,162	$ 92,210	$ 94,941	$ 161,223
Net earnings per share:
Earnings Per Share, Basic		$ 0.39	$ 1.66	$ 1.72	$ 2.90
Earnings Per Share, Diluted		$ 0.39	$ 1.66	$ 1.72	$ 2.90
Weighted average number of shares
Basic (in shares)		54,935,000	55,660,000	55,165,000	55,630,000
Dilutive common stock equivalents (in shares)		22,000	0	12,000	0
Diluted (in shares)		54,957,000	55,660,000	55,177,000	55,630,000
Comprehensive income		$ 35,862	$ 70,895	$ 50,314	$ 135,961

[1] Non-operating expenses are not allocated to the operating segments. Non-operating expenses consist of interest expense and deferred financing amortization, foreign exchange gains and losses and other income and expense items outside of income from operations.

[2] Restructuring expenses are allocated in operating income by segment. See note 16 for further details.