public static function findDimensionMember( $nodes, $label )
	{
		if ( isset( $nodes[ $label ] ) ) return $nodes[ $label ];

		foreach ( $nodes as $nodeKey => $node )
		{
			if ( ! isset( $node['children'] ) ) continue;
			$result = XBRL::findDimensionMember( $node['children'], $label );
			if ( $result !== false ) return $result;
		}

		return false;
	}