Accumulated other comprehensive income (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

			At December 31,
(In thousands)		2012		2011
Foreign currency translation adjustment		$	(31,277)	$	(28,829)
Underfunding of pension and postretirement benefit plans			(348,306)		(333,287)
	Tax effect		122,460		117,229
	Net of tax amount		(225,846)		(216,058)
Unrealized holding gains on investments			172,969		230,746
	Tax effect		(18,401)		(27,668)
	Net of tax amount		154,568		203,078
Unrealized net losses on cash flow hedges			(447)		(1,057)
	Tax effect		134		318
	Net of tax amount		(313)		(739)
Accumulated other comprehensive loss		$	(102,868)	$	(42,548)