TREASURY STOCK	12 Months Ended
Dec. 31, 2016
Equity [Abstract]
TREASURY STOCK	TREASURY STOCK In the first quarter of 2016, the Company's Board of Directors authorized a program to repurchase up to $3.0 billion of the Company's common stock, in addition to amounts previously authorized. In the year ended December 31, 2016, the Company repurchased 635,877 shares of its common stock in the open market for an aggregate cost of $861.5 million, which included stock repurchases in December 2016 of 10,215 shares for an aggregate cost of $15.0 million that were settled in January 2017. As a result, the Consolidated Balance Sheet at December 31, 2016 includes $15.0 million in "Accrued expenses and other current liabilities" for these unsettled stock repurchases. The Consolidated Statement of Cash Flows for the year ended December 31, 2016 excludes the impact of these stock repurchases settled in January 2017. As of December 31, 2016, the Company had a remaining authorization of $2.1 billion to purchase its common stock. In the first quarter of 2017, the Company's Board of Directors authorized a program to repurchase up to $2.0 billion of the Company's common stock, in addition to amounts previously authorized. The Company may make additional repurchases of shares under its stock repurchase program, depending on prevailing market conditions, alternate uses of capital and other factors. Whether and when to initiate and/or complete any purchase of common stock and the amount of common stock purchased will be determined at the Company's discretion. In the first quarter of 2015, the Company's Board of Directors authorized the repurchase of up to $3.0 billion of the Company's common stock, in addition to amounts previously authorized. In the year ended December 31, 2015, the Company repurchased 2,468,259 shares of its common stock in the open market for an aggregate cost of $3.0 billion related to this authorization and 5,813 shares for an aggregate cost of $7.2 million covered under the remaining authorization as of December 31, 2014 to repurchase common stock. In 2014, the Company repurchased 114,645 share of its common stock in privately negotiated, off-market transactions and 438,897 shares of its common stock in the open market for aggregate costs of $147.3 million and $500.0 million, respectively. All these shares were covered under the Company's remaining authorizations as of December 31, 2013 to repurchase common stock. The Board of Directors has given the Company the general authorization to repurchase shares of its common stock to satisfy employee withholding tax obligations related to stock-based compensation. In the years ended December 31, 2016, 2015 and 2014, the Company repurchased 127,107, 65,849, and 77,761 shares at an aggregate cost of $167.0 million, $81.9 million and $103.1 million, respectively, to satisfy employee withholding taxes related to stock-based compensation. As of December 31, 2016, there were 13,190,929 shares of the Company's common stock held in treasury.

TREASURY STOCK

In the first quarter of 2016, the Company's Board of Directors authorized a program to repurchase up to $3.0 billion of the Company's common stock, in addition to amounts previously authorized. In the year ended December 31, 2016, the Company repurchased 635,877 shares of its common stock in the open market for an aggregate cost of $861.5 million, which included stock repurchases in December 2016 of 10,215 shares for an aggregate cost of $15.0 million that were settled in January 2017. As a result, the Consolidated Balance Sheet at December 31, 2016 includes $15.0 million in "Accrued expenses and other current liabilities" for these unsettled stock repurchases. The Consolidated Statement of Cash Flows for the year ended December 31, 2016 excludes the impact of these stock repurchases settled in January 2017.

As of December 31, 2016, the Company had a remaining authorization of $2.1 billion to purchase its common stock. In the first quarter of 2017, the Company's Board of Directors authorized a program to repurchase up to $2.0 billion of the Company's common stock, in addition to amounts previously authorized. The Company may make additional repurchases of shares under its stock repurchase program, depending on prevailing market conditions, alternate uses of capital and other factors. Whether and when to initiate and/or complete any purchase of common stock and the amount of common stock purchased will be determined at the Company's discretion.

In the first quarter of 2015, the Company's Board of Directors authorized the repurchase of up to $3.0 billion of the Company's common stock, in addition to amounts previously authorized. In the year ended December 31, 2015, the Company repurchased 2,468,259 shares of its common stock in the open market for an aggregate cost of $3.0 billion related to this authorization and 5,813 shares for an aggregate cost of $7.2 million covered under the remaining authorization as of December 31, 2014 to repurchase common stock.

In 2014, the Company repurchased 114,645 share of its common stock in privately negotiated, off-market transactions and 438,897 shares of its common stock in the open market for aggregate costs of $147.3 million and $500.0 million, respectively. All these shares were covered under the Company's remaining authorizations as of December 31, 2013 to repurchase common stock.

The Board of Directors has given the Company the general authorization to repurchase shares of its common stock to satisfy employee withholding tax obligations related to stock-based compensation. In the years ended December 31, 2016, 2015 and 2014, the Company repurchased 127,107, 65,849, and 77,761 shares at an aggregate cost of $167.0 million, $81.9 million and $103.1 million, respectively, to satisfy employee withholding taxes related to stock-based compensation.

As of December 31, 2016, there were 13,190,929 shares of the Company's common stock held in treasury.