( 1 ) on september 14 , 2012 , the company entered into a lease agreement for 186000 square feet of rentable space located in an office facility in canonsburg , pennsylvania , which serves as the company's headquarters . the lease was effective as of september 14 , 2012 , but because the leased premises were under construction , the company was not obligated to pay rent until three months following the date that the leased premises were delivered to ansys , which occurred on october 1 , 2014 . the term of the lease is 183 months , beginning on october 1 , 2014 . the company has a one-time right to terminate the lease effective upon the last day of the tenth full year following the date of possession ( december 31 , 2024 ) by providing the landlord with at least 18 months' prior written notice of such termination . ( 2 ) other operating leases primarily include noncancellable lease commitments for the company's other domestic and international offices as well as certain operating equipment . ( 3 ) unconditional purchase obligations primarily include software licenses and long-term purchase contracts for network , communication and office maintenance services , which are unrecorded as of december 31 , 2016 . ( 4 ) the company has $ 18.4 million of unrecognized tax benefits , including estimated interest and penalties , that have been recorded as liabilities in accordance with income tax accounting guidance for which the company is uncertain as to if or when such amounts may be settled . as a result , such amounts are excluded from the table above . ( 5 ) other long-term obligations primarily include third-party commissions of $ 15.0 million , deferred compensation of $ 7.4 million ( including estimated imputed interest of $ 161000 within 1 year and $ 87000 within 2-3 years ) and post- employment benefits , including pension obligations , of $ 6.5 million for certain foreign locations of the company . these amounts include the related current portions when applicable. .
table of contents contractual obligations the company's significant contractual obligations as of december 31 , 2016 are summarized below: .
what is the proportion of total global headquarters leases to total other operating leases?
( in thousands ) the global headquarters operating lease ( 1 ) of payments due by period total is $ 40859 ; the global headquarters operating lease ( 1 ) of payments due by period within 1 year is $ 4278 ; the global headquarters operating lease ( 1 ) of payments due by period 2 2013 3 years is $ 8556 ; the global headquarters operating lease ( 1 ) of payments due by period 4 2013 5 years is $ 8928 ; the global headquarters operating lease ( 1 ) of payments due by period after 5 years is $ 19097 ; ( in thousands ) the other operating leases ( 2 ) of payments due by period total is 29808 ; the other operating leases ( 2 ) of payments due by period within 1 year is 9861 ; the other operating leases ( 2 ) of payments due by period 2 2013 3 years is 12814 ; the other operating leases ( 2 ) of payments due by period 4 2013 5 years is 4752 ; the other operating leases ( 2 ) of payments due by period after 5 years is 2381 ; table of contents contractual obligations the company's significant contractual obligations as of december 31 , 2016 are summarized below: .
( in thousands ) payments due by period total payments due by period within 1 year payments due by period 2 2013 3 years payments due by period 4 2013 5 years payments due by period after 5 years
global headquarters operating lease ( 1 ) $ 40859 $ 4278 $ 8556 $ 8928 $ 19097
other operating leases ( 2 ) 29808 9861 12814 4752 2381
unconditional purchase obligations ( 3 ) 37415 14134 20012 3269 2014
obligations related to uncertain tax positions including interest and penalties ( 4 ) 2 2 2014 2014 2014
other long-term obligations ( 5 ) 30846 13292 11472 1763 4319
total contractual obligations $ 138930 $ 41567 $ 52854 $ 18712 $ 25797