Convertible Notes, Other Debts And Capital Leases - Debt Maturities (Details) $ in Thousands	Sep. 28, 2018 USD ($)
Debt Disclosure [Abstract]
Capital Leases, Future Minimum Payments, Remainder of Fiscal Year	$ 205
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year	659
Capital Leases, Future Minimum Payments Due in Two Years	93
Long-term Debt, Maturities, Repayments of Principal in Year Two	6,934
Capital Leases, Future Minimum Payments Due in Three Years	50
Long-term Debt, Maturities, Repayments of Principal in Year Three	6,741
Capital Leases, Future Minimum Payments Due in Four Years	23
Long-term Debt, Maturities, Repayments of Principal in Year Four	5,441
Capital Leases, Future Minimum Payments Due in Five Years	0
Long-term Debt, Maturities, Repayments of Principal in Year Five	461
Capital Leases, Future Minimum Payments Due Thereafter	0
Long-term Debt, Maturities, Repayments of Principal after Year Five	225
Capital Leases, Future Minimum Payments Due	371
Long-term Debt	$ 20,461

Amount of minimum lease payments for capital leases.

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Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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