CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Revenue from Contract with Customer, Excluding Assessed Tax		$ 724,014	$ 713,331	$ 2,171,820	$ 1,966,259
Cost of sales		453,986	452,171	1,358,001	1,242,707
Gross profit		270,028	261,160	813,819	723,552
Selling, General and Administrative Expense		144,460	141,372	445,000	399,328
Restructuring Charges		4,223	12,111	6,806	18,245
Income from operations	[1],[2]	121,345	107,677	362,013	305,979
Net interest expense and deferred financing amortization, net		20,846	19,143	63,334	38,370
Net Periodic Benefit Cost, Other Components		(7,175)	(9,225)	(22,233)	(28,046)
Other (income) expense, net		1,444	(260)	(489)	371
Earnings before income taxes		106,230	98,019	321,401	295,284
Provision for income taxes		24,210	25,114	78,158	72,971
Net earnings		$ 82,020	$ 72,905	$ 243,243	$ 222,313
Net earnings per share:
Earnings Per Share, Basic		$ 1.47	$ 1.31	$ 4.37	$ 4.00
Earnings Per Share, Diluted		$ 1.47	$ 1.31	$ 4.37	$ 4.00
Weighted average number of shares
Basic (in shares)		55,663,000	55,577,000	55,641,000	55,575,000
Dilutive common stock equivalents (in shares)	[3]	0	0	0	0
Diluted (in shares)		55,663,000	55,577,000	55,641,000	55,575,000
Comprehensive income		$ 55,915	$ 69,027	$ 191,876	$ 212,754

[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 17 for further details.

[3] ¹There were no anti-dilutive equity awards excluded from common stock equivalents for any period presented.