Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Debt - Mid Pac Term Loan (Details) - USD ($) $ in Thousands		3 Months Ended
Debt - Mid Pac Term Loan (Details) - USD ($) $ in Thousands	Sep. 27, 2018	Mar. 31, 2019	Mar. 31, 2018
Debt Instrument [Line Items]
Proceeds from borrowings		$ 383,006	$ 25,000
Term Loan \| Mid Pac Term Loan
Debt Instrument [Line Items]
Proceeds from borrowings	$ 1,500
Debt instrument, interest rate	4.375%