Components of Change in Other Assets and Liabilities Net (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Supplemental Cash Flow Elements [Abstract]
Other current and noncurrent assets	$ 8,066	$ 1,186	$ (2,354)
Accrued salaries, benefits and payroll taxes	10,136	(4,276)	7
Accrued insurance and other taxes	(17,641)	421	2,274
Accrued income taxes	27,680	3,889	(13,343)
Accrued pension, postretirement and postemployment benefits	1,150	(4,795)	(13,904)
Other current and noncurrent liabilities	(10,681)	7,373	3,836
Change in other assets and liabilities	$ 18,710	$ 3,798	$ (23,484)

Increase decrease in accrued insurance and other taxes.

No definition available.

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- Definition

The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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- Definition

Change in carrying value during the period of obligations incurred through and payable within one year (or in the operating cycle if longer) for employer-related costs not otherwise specified in the taxonomy.

+ References

+ Details

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- Definition

The increase (decrease) during the reporting period in other assets used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets, other noncurrent assets, or a combination of other current and noncurrent assets.

+ References

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- Definition

The increase (decrease) during the reporting period in other assets used in operating activities less other operating liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets and liabilities, other noncurrent assets and liabilities, or a combination of other current and noncurrent assets and liabilities.

+ References

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- Definition

The increase (decrease) during the reporting period in other liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current liabilities, other noncurrent liabilities, or a combination of other current and noncurrent liabilities.

+ References

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- Definition

The increase (decrease) during the reporting period in the amount due to fund pension and non-pension benefits to employees, retired and disabled former employees.

+ References

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