Future annual minimum payments for all commitments are as follows:



	Total		Less than 1 year		2-3 years		4-5 years		More than 5 years
	(Amounts in thousands)
Operating lease obligations (1)	$	40,390	$	10,993	$	14,625	$	9,951	$	4,821
Royalty obligations (2)	10,000		10,000		—		—		—
Long-term debt obligations (3)	309,088		303,496		2,028		2,599		965
Interest payments associated with long-term debt obligations (4)	10,806		10,554		168		79		5
Capital equipment and inventory related purchase obligations (5)	19,258		2,162		4,564		4,564		7,968

Total	$	389,542	$	337,205	$	21,385	$	17,193	$	13,759

(1) The Company leases some facilities under non-cancelable operating lease agreements that expire at various dates through 2025.

(2) Royalty obligations represent payments for licensed patents.

(3) Long-term debt represents amounts due for the Company's $300 million notes due 2013 and other notes acquired through the SensorDynamics acquisition.

(4) Interest payments associated with the Company's $300 million notes due 2013 and other notes acquired through the SensorDynamics acquisition.

(5) Capital equipment purchase obligations represent commitments for purchase of property, plant and equipment. The Company orders some materials and supplies in advance or with minimum purchase quantities. The Company is obligated to pay for the materials and supplies when received.