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Revenue - Schedule of Revenues Disaggregated by Revenue Source and Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Disaggregation Of Revenue [Line Items]
Revenues, net	$ 400,361	$ 363,164
North America
Disaggregation Of Revenue [Line Items]
Revenues, net	283,706	250,011
Continental Europe
Disaggregation Of Revenue [Line Items]
Revenues, net	79,990	76,157
United Kingdom
Disaggregation Of Revenue [Line Items]
Revenues, net	25,028	24,611
Other
Disaggregation Of Revenue [Line Items]
Revenues, net	11,637	12,385
Digital Subscription Revenues
Disaggregation Of Revenue [Line Items]
Revenues, net	174,545	148,855
Digital Subscription Revenues | North America
Disaggregation Of Revenue [Line Items]
Revenues, net	116,349	98,760
Digital Subscription Revenues | Continental Europe
Disaggregation Of Revenue [Line Items]
Revenues, net	46,638	40,183
Digital Subscription Revenues | United Kingdom
Disaggregation Of Revenue [Line Items]
Revenues, net	7,576	6,418
Digital Subscription Revenues | Other
Disaggregation Of Revenue [Line Items]
Revenues, net	3,982	3,494
Studio + Digital Fees
Disaggregation Of Revenue [Line Items]
Revenues, net	150,112	157,871
Studio + Digital Fees | North America
Disaggregation Of Revenue [Line Items]
Revenues, net	112,843	117,599
Studio + Digital Fees | Continental Europe
Disaggregation Of Revenue [Line Items]
Revenues, net	21,519	23,949
Studio + Digital Fees | United Kingdom
Disaggregation Of Revenue [Line Items]
Revenues, net	11,129	11,263
Studio + Digital Fees | Other
Disaggregation Of Revenue [Line Items]
Revenues, net	4,621	5,060
Service Revenues, net
Disaggregation Of Revenue [Line Items]
Revenues, net	324,657	306,726
Service Revenues, net | North America
Disaggregation Of Revenue [Line Items]
Revenues, net	229,192	216,359
Service Revenues, net | Continental Europe
Disaggregation Of Revenue [Line Items]
Revenues, net	68,157	64,132
Service Revenues, net | United Kingdom
Disaggregation Of Revenue [Line Items]
Revenues, net	18,705	17,681
Service Revenues, net | Other
Disaggregation Of Revenue [Line Items]
Revenues, net	8,603	8,554
Product sales and other, net
Disaggregation Of Revenue [Line Items]
Revenues, net	75,704	56,438
Product sales and other, net | North America
Disaggregation Of Revenue [Line Items]
Revenues, net	54,514	33,652
Product sales and other, net | Continental Europe
Disaggregation Of Revenue [Line Items]
Revenues, net	11,833	12,025
Product sales and other, net | United Kingdom
Disaggregation Of Revenue [Line Items]
Revenues, net	6,323	6,930
Product sales and other, net | Other
Disaggregation Of Revenue [Line Items]
Revenues, net	$ 3,034	$ 3,831

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+ References

No definition available.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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