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Recent Accounting Pronouncements - Narratives (Details) - USD ($) $ in Thousands |  | 3 Months Ended
--- | --- | ---
Jan. 01, 2019 | Mar. 29, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Operating lease right-of-use assets |  | $ 21,616
Operating Lease, Liability |  | 26,983
Impact of Topic 842 on Statement of Cash Flow |  | 2,130
Accounting Standards Update 2016-02 [Member] |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Operating lease right-of-use assets | $ 23,300 |
Operating Lease, Liability | 23,300 |
Cumulative Effect on Retained Earnings, Net of Tax | 0 |
Impact of Topic 842 on Statement of Cash Flow | 0 |
Accounting Standards Update 2018-07 [Member] |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Cumulative Effect on Retained Earnings, Net of Tax | $ 1,400 |
Other long-term assets | Accounting Standards Update 2018-15 [Member] |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Total implementation costs included in Other long-term assets |  | 100
Level 3 [Member] |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Total assets measured and recorded at fair value |  | 0
Financial Liabilities Fair Value Disclosure |  | $ 0

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- Definition Unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility through to the general release of the software products. Excludes capitalized costs of developing software for internal use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(10)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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