CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 30, 2017
Current assets:
Cash and cash equivalents	$ 103,290	$ 89,654
Accounts receivable, net of reserve for doubtful accounts of $13,414 and $13,182	331,609	328,421
Inventories, net	459,151	424,639
Prepaid expenses and other	48,464	55,427
Prepaid Taxes	17,141	33,748
Total current assets	959,655	931,889
Property, plant and equipment, net of accumulated depreciation of $150,869 and $142,278	296,473	281,915
Goodwill	1,293,896	1,264,810
Other intangibles	787,513	780,426
Long-term deferred tax assets	46,284	44,565
Other assets	43,073	36,108
Total assets	3,426,894	3,339,713
Current liabilities:
Current maturities of long-term debt	5,113	5,149
Accounts payable	145,366	146,333
Accrued expenses	305,132	322,171
Total current liabilities	455,611	473,653
Long-term debt	1,043,885	1,023,732
Deferred Tax Liabilities, Net, Noncurrent	91,433	87,815
Liability, Defined Benefit Pension Plan, Noncurrent	338,843	334,511
Other non-current liabilities	56,464	58,854
Stockholders' equity:
Common stock, $0.01 par value; 62,599,365 and 62,619,865 shares issued in 2018 and 2017, respectively	145	145
Paid-in capital	375,067	374,922
Treasury stock, at cost; 6,889,241 and 6,889,241 shares in 2018 and 2017, respectively	(445,118)	(445,118)
Retained earnings	1,757,500	1,697,618
Accumulated other comprehensive loss	(246,936)	(266,419)
Total stockholders' equity	1,440,658	1,361,148
Total liabilities and stockholders' equity	3,426,894	$ 3,339,713
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Current assets:
Inventories, net	453,710
Prepaid expenses and other	51,630
Current liabilities:
Accrued expenses	310,104
Deferred Tax Liabilities, Net, Noncurrent	90,816
Stockholders' equity:
Retained earnings	$ 1,756,051