Derivative Instrument, Designation As Cash Flow Hedges, De-Designation, Period

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- Definition

Income tax examination minimum likelihood of tax benefits being realized upon settlement.

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No definition available.

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- Definition

Lessor Leasing Arrangements, Capital Leases, Term of Contract

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- Definition

Long-lived assets maintained in the United States.

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No definition available.

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- Definition

Number of customers representing more than ten percent of total revenue.

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- Definition

Share-Based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Market-based Implied Volatility, Percent

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No definition available.

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- Definition

Share-Based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Market-based Implied Volatility, Period

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No definition available.

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- Definition

Summary Of Significant Accounting Policies [Line Items]

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- Definition

System Sales Arrangement, Additional Period of Service

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No definition available.

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- Definition

System Sales Arrangement, Free Period of Service

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No definition available.

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- Definition

Additions made to capitalized computer software costs during the period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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- Definition

The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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- Definition

The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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Summary Of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2016 USD ($) customer segment	Dec. 31, 2015 USD ($) customer	Dec. 31, 2014 USD ($) customer
Summary Of Significant Accounting Policies [Line Items]
Other-than-temporary impairment losses	$ 0	$ 0	$ 8,500,000
Depreciation expense	$ 70,700,000	61,100,000	52,000,000
Number of operating segments \| segment	1
Impairment of goodwill	$ 0
System sales arrangement, free service period	1 year
System sales arrangement, additional period of service	4 years
Operating lease revenue	$ 16,600,000	7,000,000	1,300,000
Market-based implied volatility (period)	1 year
Market-based implied volatility (percent)	1
Cash flow hedges de-designated (period)	2 months
Likelihood of tax benefits being realized upon ultimate settlement	50.00%
Enterprise-wide software
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	5 years
Internal use software
Summary Of Significant Accounting Policies [Line Items]
Capitalized computer software, gross	$ 11,800,000	$ 14,800,000	$ 12,000,000
Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life, intangible asset	1 year
Sales-type leases term	24 months
Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life, intangible asset	9 years
Sales-type leases term	84 months
Derivative, term of contract	12 months
Maximum \| Internal use software
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful lives	5 years
United States
Summary Of Significant Accounting Policies [Line Items]
Long-lived assets, percent	86.00%	88.00%
Accounts Receivable \| United States
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	73.00%	69.00%
Total Revenue
Summary Of Significant Accounting Policies [Line Items]
Number of customers representing more than 10% of total revenue \| customer	0	0	0
Total Revenue \| United States
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	72.00%	71.00%	70.00%
Total Revenue \| International
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	28.00%	29.00%	30.00%