Income Taxes

6 Months Ended

Jun. 27, 2020

Income Tax Disclosure [Abstract]

Income Tax Disclosure

Income Taxes

The principal causes of the difference between the U.S. federal statutory tax rate of 21% and effective income tax rates are as follows:

	Quarter Ended				Six Months Ended
	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Provision (benefit) at statutory tax rate	$	36,580	$	(126,025)	$	52,886	$	(84,798)
State taxes, net of federal benefit	2,083		(11,533)		4,091		(7,504)
International effective tax rate differential	2,147		3,238		915		8,217
U.S. Tax on foreign earnings	30		4,953		3,166		9,880
Changes in tax accruals	1,387		902		7,595		920
Tax credits	(756)		(1,971)		(1,511)		(4,001)
Non-deductible portion of impairment of goodwill	—		76,153		—		76,153
Other	(617)		1,914		1,604		2,671
Provision (benefit) for income taxes	$	40,854	$	(52,369)	$	68,746	$	1,538