Target allocation maximum percentage of investments of this type to total plan assets presented on a weighted average basis.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)(i)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Section 50
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Target allocation minimum percentage of investments of this type to total plan assets presented on a weighted average basis.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
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Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

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The amount of the cost recognized during the period for defined contribution plans.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-SubTopic 70
-Section 50
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Retirement Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Expense related to defined contribution plan	$ 40.2	$ 32.8	$ 29.6
U.S. and Puerto Rico [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Contribution towards defined benefit plans	$ 0.0
U.S. and Puerto Rico [Member] \| Equity Securities [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Minimum range of assets held by defined benefit plan for cash funds	40.00%
Maximum range of assets held by defined benefit plan for cash funds	45.00%
U.S. and Puerto Rico [Member] \| Debt Securities [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Minimum range of assets held by defined benefit plan for cash funds	30.00%
Maximum range of assets held by defined benefit plan for cash funds	35.00%
U.S. and Puerto Rico [Member] \| Non-Traditional Investments [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Minimum range of assets held by defined benefit plan for cash funds	20.00%
Maximum range of assets held by defined benefit plan for cash funds	25.00%
Foreign-based Defined Benefit Plans [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Contribution towards defined benefit plans	$ 15.1
Foreign-based Defined Benefit Plans [Member] \| Equity Securities [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Minimum range of assets held by defined benefit plan for cash funds	20.00%
Maximum range of assets held by defined benefit plan for cash funds	37.00%
Foreign-based Defined Benefit Plans [Member] \| Debt Securities [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Minimum range of assets held by defined benefit plan for cash funds	30.00%
Maximum range of assets held by defined benefit plan for cash funds	50.00%
Foreign-based Defined Benefit Plans [Member] \| Real Estate [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Minimum range of assets held by defined benefit plan for cash funds	15.00%
Maximum range of assets held by defined benefit plan for cash funds	24.00%
Foreign-based Defined Benefit Plans [Member] \| Cash Fund [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Minimum range of assets held by defined benefit plan for cash funds	3.00%
Maximum range of assets held by defined benefit plan for cash funds	15.00%
Foreign-based Defined Benefit Plans [Member] \| Other Funds [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Minimum range of assets held by defined benefit plan for cash funds	0.00%
Maximum range of assets held by defined benefit plan for cash funds	12.00%