18. Other liabilities

	2012	2011
BPLP
Accrued pension and post-retirement benefit liability [note 28]	554,532	468,363
Derivatives [note 29]	8,294	19,439
Other	7,584	4,045
Derivatives [note 29]	1,954	27,194
Accrued pension and post-retirement benefit liability [note 28]	30,648	38,050
Other	7,740	6,624
	620,572	577,454
Less current portion	(21,144)	(50,495)
Net	$599,428	$526,959