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Commitments and contingencies: (Tables)

3 Months Ended

Mar. 31, 2013

Commitments And Contingencies Disclosure [Abstract]

Changes in Accrued Environmental Remediation and Related Costs

Changes in the accrued environmental remediation and related costs during the first three months of 2013 are as follows:

		Amount
		(In thousands)
Balance at the beginning of the period		$	48,006
Additions charged to expense, net			1,228
Payments, net			(745	)
Balance at the end of the period		$	48,489
Amounts recognized in the Condensed Consolidated Balance Sheet at the end of the period:
Current liability		$	5,115
Noncurrent liability			43,374
Total		$	48,489

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- Definition

Reconciliation of period increase/decrease in the accrual including environmental expense and payments related to all environmental sites.

+ References

No definition available.

+ Details

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- Details

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