CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2018		Jul. 01, 2017		Jun. 30, 2018	Jul. 01, 2017
Net sales	$ 668,128	[1]	$ 579,343	[1]	$ 1,252,928	$ 1,109,640
Cost of sales	417,369		344,735		790,536	665,582
Gross profit	250,759		234,608		462,392	444,058
Selling, General and Administrative Expense	135,008		121,632		257,956	236,616
Restructuring Charges	4,441		11,494		6,134	13,219
Gain (Loss) on Disposition of Assets	0		(12,042)		0	(12,042)
Income from operations	111,310	[1]	113,524	[1]	198,302	206,265
Net interest expense and deferred financing amortization, net	10,404		5,702		19,227	11,507
Net Periodic Benefit Cost, Other Components	(9,116)		(8,612)		(18,821)	(16,950)
Other (income) expense, net	(542)		302		631	2,169
Earnings before income taxes	110,564		116,132		197,265	209,539
Provision for income taxes	26,576		38,563		47,857	61,268
Net earnings	$ 83,988		$ 77,569		$ 149,408	$ 148,271
Net earnings per share:
Earnings Per Share, Basic	$ 1.51		$ 1.35		$ 2.69	$ 2.59
Earnings Per Share, Diluted	$ 1.51		$ 1.35		$ 2.69	$ 2.59
Weighted average number of shares
Basic (in shares)	55,576,000		57,299,000		55,575,000	57,201,000
Dilutive common stock equivalents (in shares)	0	[2]	0	[2]	0	0
Diluted (in shares)	55,576,000		57,299,000		55,575,000	57,201,000
Comprehensive income	$ 58,824		$ 88,542		$ 143,727	$ 168,052

[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] {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOjVmYzgzNWQ2MDM3ZTQzNTA4NjUwNTI0ZWJkZmYzZDRkfFRleHRTZWxlY3Rpb246NEI1Mzg5NzU0MzNENTQxOUE4MjlCNjBCNDk4MjlDM0MM}