Multiemployer Plans, Number of Plans

No definition available.

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ References

+ Details

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- Definition

Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

+ References

+ Details

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- Definition

Amount of contributions made to multiemployer plan by employer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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-Section 50
-Paragraph 5
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-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947

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- Definition

Indicate whether the multiemployer plan is less than 65 percent funded, between 65 and less than 80 percent funded, or at least 80 percent funded. The acceptable values are: (1) "less than 65 percent", (2) "between 65 and less than 80 percent", (3) "at least 80 percent", and (4) "NA". A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for net periodic benefit cost (credit) of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e637-108580

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-URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e689-108580

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- Details

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- Details

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Multiemployer Plans - Narrative (Details)	12 Months Ended
Multiemployer Plans - Narrative (Details)	Dec. 31, 2017 USD ($) plan	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Multiemployer Plans [Line Items]
Withdrawal liability	$ 0	$ 0	$ 0
Minimum \| Multiemployer Plans, Pension
Multiemployer Plans [Line Items]
Number of plans \| plan	200
Domestic
Multiemployer Plans [Line Items]
Benefit obligation	$ 7,200,000	7,000,000
Domestic \| Multiemployer Plans, Pension \| Multiemployer Plan, Plan Information, Available
Multiemployer Plans [Line Items]
Contributions	179,216,000	167,297,000	147,056,000
Domestic \| Multiemployer Plans, Postretirement Benefit \| Multiemployer Plan, Plan Information, Not Available
Multiemployer Plans [Line Items]
Contributions	$ 130,900,000	$ 130,500,000	108,100,000
Domestic \| Minimum
Multiemployer Plans [Line Items]
Discount rate	3.50%	3.80%
Domestic \| Minimum \| Multiemployer Plans, Pension \| Multiemployer Plan, Plan Information, Available
Multiemployer Plans [Line Items]
Contributions	$ 2,000,000
UK Plan \| Multiemployer Plans, Pension \| Multiemployer Plan, Plan Information, Not Available
Multiemployer Plans [Line Items]
Number of plans \| plan	2
Contributions	$ 100,000	$ 200,000	200,000
Red Zone \| Domestic \| Minimum \| Multiemployer Plans, Pension \| Multiemployer Plan, Plan Information, Available
Multiemployer Plans [Line Items]
Contributions	500,000
Orange or Yellow Zones \| Domestic \| Minimum \| Multiemployer Plans, Pension \| Multiemployer Plan, Plan Information, Available
Multiemployer Plans [Line Items]
Contributions	$ 1,000,000
UK Plan 1 \| UK Plan \| Multiemployer Plans, Pension \| Multiemployer Plan, Plan Information, Not Available
Multiemployer Plans [Line Items]
Multiemployer Plans, Funded Status	At least 80 percent
United Kingdom Subsidiary \| UK Plan
Multiemployer Plans [Line Items]
Benefit obligation	$ 332,618,000	$ 306,731,000	295,825,000
Discount rate	2.50%	2.70%
Selling, General and Administrative Expenses \| Domestic
Multiemployer Plans [Line Items]
Reclassification adjustment from AOCI, net of income taxes	$ 200,000	$ 200,000	200,000
Selling, General and Administrative Expenses \| United Kingdom Subsidiary \| UK Plan
Multiemployer Plans [Line Items]
Reclassification adjustment from AOCI, net of income taxes	$ 2,300,000	$ 1,700,000	$ 2,000,000