Equity	9 Months Ended
Sep. 29, 2017
Equity [Abstract]
Equity	13. Equity On December 4, 2014, L3’s Board of Directors approved a share repurchase program that authorized L3 to repurchase up to $1.5 billion of its common stock which expired on June 30, 2017. On May 8, 2017, L3’s Board of Directors approved a new share repurchase program that authorizes L3 to repurchase up to an additional $1.5 billion of its common stock. The new program became effective on July 1, 2017 and has no set expiration date. Repurchases of L3’s common stock are made from time to time at management’s discretion in accordance with applicable U.S. Federal securities laws. The timing and actual number of shares to be repurchased in the future will depend on a variety of factors, including, but not limited to, the Company’s financial position, earnings, legal requirements, other investment opportunities (including acquisitions) and market conditions. L3 repurchased 516,045 shares of its common stock at an average price of $176.32 per share for an aggregate amount of approximately $91 million from January 1, 2017 through September 29, 2017. All share repurchases of L3’s common stock have been recorded as treasury shares. The Company did not repurchase any shares of common stock from September 30, 2017 through October 20, 2017. On July 19, 2017, L3’s Board of Directors declared a quarterly cash dividend of $0.75 per share, paid on September 15, 2017 to shareholders of record at the close of business on August 17, 2017. During the year-to-date period ended September 29, 2017, the Company paid $178 million of cash dividends, including a $1 million net reduction of previously accrued dividends for employee-held stock awards. On October 17, 2017, L3’s Board of Directors declared a quarterly cash dividend of $0.75 per share, payable on December 15, 2017 to shareholders of record at the close of business on November 17, 2017.

13. Equity

On December 4, 2014, L3’s Board of Directors approved a share repurchase program that authorized L3 to repurchase up to $1.5 billion of its common stock which expired on June 30, 2017. On May 8, 2017, L3’s Board of Directors approved a new share repurchase program that authorizes L3 to repurchase up to an additional $1.5 billion of its common stock. The new program became effective on July 1, 2017 and has no set expiration date. Repurchases of L3’s common stock are made from time to time at management’s discretion in accordance with applicable U.S. Federal securities laws. The timing and actual number of shares to be repurchased in the future will depend on a variety of factors, including, but not limited to, the Company’s financial position, earnings, legal requirements, other investment opportunities (including acquisitions) and market conditions. L3 repurchased 516,045 shares of its common stock at an average price of $176.32 per share for an aggregate amount of approximately $91 million from January 1, 2017 through September 29, 2017. All share repurchases of L3’s common stock have been recorded as treasury shares.

The Company did not repurchase any shares of common stock from September 30, 2017 through October 20, 2017.

On July 19, 2017, L3’s Board of Directors declared a quarterly cash dividend of $0.75 per share, paid on September 15, 2017 to shareholders of record at the close of business on August 17, 2017. During the year-to-date period ended September 29, 2017, the Company paid $178 million of cash dividends, including a $1 million net reduction of previously accrued dividends for employee-held stock awards.

On October 17, 2017, L3’s Board of Directors declared a quarterly cash dividend of $0.75 per share, payable on December 15, 2017 to shareholders of record at the close of business on November 17, 2017.