Commitments and contingencies.

No definition available.

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- Definition

Terms of payment for the contractual obligation.

+ References

No definition available.

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- Definition

Description of contractual obligation.

+ References

No definition available.

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- Definition

Amount future lease payments would increase by if early termination clauses were not followed.

+ References

No definition available.

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- Definition

Lessee operating lease legally binding minimum lease payments for leases signed but not yet commenced.

+ References

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- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

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- Definition

Net cash outflow or inflow from monetary allowance granted by the landlord to a tenant to entice tenant to move into landlords building which will enable the tenant to prepare the leased premises for tenants occupancy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585

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Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended
	Apr. 01, 2020	Mar. 31, 2020
Commitments and Contingencies [Line Items]
Improvement reimbursements from landlords		$ 17.6
Increase in future lease commitments		$ 81.4
Amended Agreement [Member] \| Web Hosting Vendor [Member]
Commitments and Contingencies [Line Items]
Description of contractual obligation		Subsequent to March 31, 2020, the Company extended a vendor commitment with an incremental three year contractual obligation of approximately $24 million, payable over the remaining three year term of the amended agreement.
Amended Agreement [Member] \| Subsequent Event [Member] \| Web Hosting Vendor [Member]
Commitments and Contingencies [Line Items]
Contractual obligation, payment term	3 years
Contractual obligation	$ 24.0
United States [Member]
Commitments and Contingencies [Line Items]
Lease operating lease commitments that have not yet commenced		$ 66.6
United States [Member] \| Maximum [Member]
Commitments and Contingencies [Line Items]
Operating lease term		9 years
Germany [Member]
Commitments and Contingencies [Line Items]
Lease operating lease commitments that have not yet commenced		$ 66.6
Germany [Member] \| Maximum [Member]
Commitments and Contingencies [Line Items]
Operating lease term		10 years