Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions - Fiscal Year 2019 Acquisition - Additional Information (Detail) $ in Thousands, £ in Millions			6 Months Ended
	Jul. 02, 2018 USD ($)	Jul. 02, 2018 GBP (£)	Dec. 31, 2018 USD ($)	Jun. 30, 2018 USD ($)
Business Acquisition [Line Items]
Goodwill			$ 200,786	$ 200,024
Microgen Banking Systems Limited [Member]
Business Acquisition [Line Items]
Payments to acquire business	$ 9,100	£ 6.9
Goodwill			2,700
Identifiable intangible assets			$ 8,400
Estimated useful life of intangible assets acquired			13 years
Acquisition expenses			$ 200