Accounts Payable and Accrued Liabilities

9 Months Ended

Mar. 31, 2018

Accounts Payable and Accrued Liabilities [Abstract]

ACCOUNTS PAYABLE AND ACCRUED LIABILITIES

Current liabilities

Accounts payable and accrued liabilities are comprised of the following:



	As of March 31, 2018		As of June 30, 2017
Accounts payable—trade	$	39,283	$	43,699
Accrued salaries and commissions	103,245		121,958
Accrued liabilities	118,628		135,512
Accrued interest on Senior Notes	26,021		24,787
Amounts payable in respect of restructuring and other Special charges	5,000		13,728
Asset retirement obligations	2,988		2,436
Total	$	295,165	$	342,120

Long-term accrued liabilities



	As of March 31, 2018		As of June 30, 2017
Amounts payable in respect of restructuring and other Special charges	$	2,124	$	2,686
Other accrued liabilities*	37,164		36,702
Asset retirement obligations	13,400		10,950
Total	$	52,688	$	50,338

* Other accrued liabilities consist primarily of tenant allowances, deferred rent and lease fair value adjustments relating to certain facilities acquired through business acquisitions.

Asset retirement obligations

We are required to return certain of our leased facilities to their original state at the conclusion of our lease. As of March 31, 2018, the present value of this obligation was $16.4 million (June 30, 2017—$13.4 million), with an undiscounted value of $18.5 million (June 30, 2017—$15.0 million).