XML 34 R21.htm IDEA: XBRL DOCUMENT

Retirement Plans	12 Months Ended
Retirement Plans	Dec. 31, 2016
Compensation and Retirement Disclosure [Abstract]
Retirement Plans	15. Retirement Plans: The Company maintains six qualified contributory savings plans as allowed under Section 401(k) of the Internal Revenue Code and Section 1165(e) of the Puerto Rico Income Tax Act of 1954 (the “401(k) Plans”). The 401(k) Plans permit participant contributions and allow elective and, in certain situations, non-elective Company contributions based on each participant’s contribution or a specified percentage of eligible wages. Participants may defer a percentage of their annual compensation subject to the limits defined in the 401(k) Plans. The Company recorded expense of $45.2 million, $39.7 million and $34.3 million for the years ended December 31, 2016, 2015 and 2014, respectively, primarily related to the 401(k) Plans.