Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Unrecognized tax benefits at end of period	$ 8,156	$ 9,084	$ 8,560
Unrecognized tax benefits that would impact effective tax rate	5,800	6,700
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits at beginning of period	9,084	8,560	9,004
Gross increases in tax positions in current period	46	508	1,208
Gross decreases in tax positions in prior period	(973)	(244)	(464)
Gross increases in tax positions in prior period	0	274	1,336
Lapse of statute of limitations	(1)	(14)	(17)
Decrease due to change in tax rate	0	0	(2,507)
Unrecognized tax benefits at end of period	8,156	9,084	8,560
Unrecognized tax benefits, interest expense	300	500	400
Unrecognized tax benefits, penalties accrued	400	400	400
Unrecognized tax benefits, interest accrued	$ 2,900	$ 3,300	$ 3,200