COMMON STOCK AND TREASURY STOCK	9 Months Ended
Mar. 31, 2018
Equity [Abstract]
COMMON STOCK AND TREASURY STOCK	COMMON STOCK AND TREASURY STOCK Common Stock Repurchases On March 3, 2017, the Board of Directors of the Company approved a $50 million stock repurchase program. Under the stock repurchase program, the Company was authorized to repurchase up to $50 million of its common stock. The program expired on March 31, 2018. During the third quarter of fiscal 2017, the Company repurchased and retired 917,455 shares of its common stock at an average price per share of $50.43 for an aggregate amount of $46.3 million. This included unpaid stock repurchases of $3.0 million relating to repurchases executed on or prior to March 31, 2017 for trades that settled in the fourth quarter of fiscal 2017. During the fourth quarter of fiscal 2017, the Company repurchased and retired 50,000 shares of its common stock at an average price per share of $49.55 for an aggregate amount of $2.5 million. As of June 30, 2017, the Company had $1.3 million available under the stock repurchase program. During the first quarter of fiscal 2018, the Board of Directors of the Company approved a $50 million stock repurchase program on September 5, 2017 and an additional $100 million stock repurchase program on September 18, 2017. Both programs expire on September 30, 2018. Under these authorizations, in addition to the $1.3 million available under the March 3, 2017 stock repurchase program, the Company repurchased and retired 2,148,832 shares of common stock at an average price per share of $54.34 for an aggregate amount of $116.8 million. During the second quarter of fiscal 2018, the Company repurchased and retired 602,192 shares of its common stock at an average price per share of $57.28 for an aggregate amount of $34.5 million. As of October 6, 2017, there was no remaining balance available for share repurchases under the share repurchase programs approved by the Board of Directors in the third quarter of fiscal 2017 and first quarter of fiscal 2018. On November 8, 2017, the Board of Directors of the Company approved a $50 million stock repurchase program. On February 6, 2018, the Board of Directors of the Company approved an additional $150 million stock repurchase program. Under these programs, the Company was authorized to repurchase up to $200.0 million of its common stock. Both programs expire on December 31, 2018. During the third quarter of fiscal 2018, the Company repurchased and retired 3,067,145 shares of common stock at an average price of $65.21 for an aggregate amount of $200.0 million under these authorizations. As of March 13, 2018, there was no remaining balance available for share repurchases under these programs. On March 13, 2018, the Board of Directors of the Company approved a new $200 million stock repurchase program (the "March Repurchase Program"). Under the March Repurchase Program, the Company is authorized to repurchase up to $200 million of its common stock. The March Repurchase Program expires on June 30, 2019. As of March 31, 2018, under the March Repurchase Program, the Company repurchased and retired 757,219 shares of common stock at an average price of $69.48 for an aggregate amount of $52.6 million. This included unpaid stock repurchases of $22.0 million relating to repurchases executed on or prior to March 31, 2018 for trades settled in the fourth quarter of fiscal 2018. As of March 31, 2018, the Company had $147.4 million available under the March Repurchase Program.

COMMON STOCK AND TREASURY STOCK

Common Stock Repurchases

On March 3, 2017, the Board of Directors of the Company approved a $50 million stock repurchase program. Under the stock repurchase program, the Company was authorized to repurchase up to $50 million of its common stock. The program expired on March 31, 2018. During the third quarter of fiscal 2017, the Company repurchased and retired 917,455 shares of its common stock at an average price per share of $50.43 for an aggregate amount of $46.3 million. This included unpaid stock repurchases of $3.0 million relating to repurchases executed on or prior to March 31, 2017 for trades that settled in the fourth quarter of fiscal 2017. During the fourth quarter of fiscal 2017, the Company repurchased and retired 50,000 shares of its common stock at an average price per share of $49.55 for an aggregate amount of $2.5 million. As of June 30, 2017, the Company had $1.3 million available under the stock repurchase program.

During the first quarter of fiscal 2018, the Board of Directors of the Company approved a $50 million stock repurchase program on September 5, 2017 and an additional $100 million stock repurchase program on September 18, 2017. Both programs expire on September 30, 2018. Under these authorizations, in addition to the $1.3 million available under the March 3, 2017 stock repurchase program, the Company repurchased and retired 2,148,832 shares of common stock at an average price per share of $54.34 for an aggregate amount of $116.8 million. During the second quarter of fiscal 2018, the Company repurchased and retired 602,192 shares of its common stock at an average price per share of $57.28 for an aggregate amount of $34.5 million. As of October 6, 2017, there was no remaining balance available for share repurchases under the share repurchase programs approved by the Board of Directors in the third quarter of fiscal 2017 and first quarter of fiscal 2018.

On November 8, 2017, the Board of Directors of the Company approved a $50 million stock repurchase program. On February 6, 2018, the Board of Directors of the Company approved an additional $150 million stock repurchase program. Under these programs, the Company was authorized to repurchase up to $200.0 million of its common stock. Both programs expire on December 31, 2018. During the third quarter of fiscal 2018, the Company repurchased and retired 3,067,145 shares of common stock at an average price of $65.21 for an aggregate amount of $200.0 million under these authorizations. As of March 13, 2018, there was no remaining balance available for share repurchases under these programs.

On March 13, 2018, the Board of Directors of the Company approved a new $200 million stock repurchase program (the "March Repurchase Program"). Under the March Repurchase Program, the Company is authorized to repurchase up to $200 million of its common stock. The March Repurchase Program expires on June 30, 2019. As of March 31, 2018, under the March Repurchase Program, the Company repurchased and retired 757,219 shares of common stock at an average price of $69.48 for an aggregate amount of $52.6 million. This included unpaid stock repurchases of $22.0 million relating to repurchases executed on or prior to March 31, 2018 for trades settled in the fourth quarter of fiscal 2018. As of March 31, 2018, the Company had $147.4 million available under the March Repurchase Program.